However, the Carbon only has 6 valence electrons, so it needs 2 more to form an octet. Median … Which species is the conjugate base of HCN. What we can do is take 2 valence electrons from this Oxygen and move them to the center and share them in a double bond. This is Dr. B., and thanks for watching. The octet rule is not obeyed in : (A) CO2 (B) BCl3 (C) PCl5 (D) SiF4. Problem: Write Lewis structures for CO32-, HCO3-, and H2CO3. The one double line represents a double bond in which two electron pairs are bonding. Question: Draw Out The Lewis Structures For H2CO3, HCO3-, And CO32-. NH2- ... How many non bonded electron pairs are there in the Lewis structure? In chemistry carbonic acid is a dibasic acid with the chemical formula H2CO3. What is the Lewis structure for chloroethylene (C2H3Cl) Identify the correct name for the compound NO2. Its molecular formula is CH 2 O 3, and its molar mass is 62.03 g/mol. This problem has been solved! If The Molecule Contains Hydrogen Atoms They Are Attached To Oxygen Atoms. We generally say that carbonic acid (H2CO3) is unstable. $\begingroup$ $\ce{CO2 +H2O <--> H2CO3}$ so the oxygen of the water molecule donates the electrons and is the Lewis Base. write a lewis structure for each of the following simple molecules. $\endgroup$ – MaxW Jan 25 '17 at 18:02 Write Lewis structures for CO 3 2-, HCO 3-, and H 2 CO 3. 2D- LEWIS STRUCTURE OF INORGANIC MOLECULE NH3 H2CO CO2 CF2Cl2 HCN H2SO4 H2CO3 H3PO4 HNO3 2-D By sharing the valence electrons in that double bond, Oxygen has 8 still, but now the Carbon has 8 and we're still only using 24 valence electrons. A. a Lewis structure cannot be written for the azide ion that has nitrogen formal charges of zero. Therefore, P = 6n + 2 – V = 6 * 4 + 2 – 24 = 2 So there are 2 π electrons in H 2 CO 3 and therefore 1 double bond must be added to the structure of Step 1. There are two other resonance structures … show all . … Use bond energies to estimate ΔE for the reaction (in the gas phase) H2CO3 → CO2 + H2O Estimate the pH, and the concentrations of all species in … check_circle Expert Answer. Several worked examples relevant to this procedure were given in previous posts please see the Sitemap - Table of Contents (Lewis Electron Dot Structures). Other Questions. I never taught Lewis theory for acids. Write electron dot structure of ethane of molecule (C2H6) brainly.in/question/2073273. The hydration equilibrium constant at 25 °C is called K h, which in the case of carbonic acid is [H 2 CO 3]/[CO 2] ≈ 1.7×10 −3 in pure water and ≈ 1.2×10 −3 in seawater. Lewis structure for H2SO3? Be the first to rate this page. - 2909781 (3) 317 4For the reaction, N,(g) + 3H, (g) = 2NH, (g), thepartial pressures of N, and Hy are 0.80 and 0.40atmosphere respectively at equilibrium. Lewis structure for H2SO3? Sep 13, 2015 - A step-by-step explanation of how to draw the H2CO3 Lewis Structure (Carbonic Acid). Formula and structure: The chemical formula of carbonic acid is H 2 CO 3. Tags: H2SO3, Lewis, structure Report. Step 3 & 4: The Lewis structure of H2CO3 is derived below: Fig. Answer The Question I've Same Question Too. Enter some text. Carbonic acid (H2C03). b) Draw the Lewis structure for the ion that results from the removal of the… Draw the Lewis dot structure of H2CO3. This means that the Hydrogen atoms will be attached to the outside of the oxygen molecules. It covers general chemistry topics required in Colleges and Universities. Draw a lewis structure of CH 3 SO 2 H and identify for molecular geometry for each central atom. Then Determine The Maximum Number Of Equivalent Resonance Structures For Each Species. Each line on the picture to the upper right represents two electrons bonded between the two atoms. 2 ANSWERS. Excepting that H2CO3 exists only in very small quantities in carbonated water - most of the dissolved CO2 stays dissolved as CO2; with little reacting with water to form carbonic acid H2CO3. Draw the Lewis dot structure of H2CO3. By sharing the valence electrons in that double bond, Oxygen has 8 still, but now the Carbon has 8 and we're still only using 24 valence electrons. New questions in Chemistry. The one double line represents a double bond in which two electron pairs are bonding. When acid is added to an aqueous solution containing carbonate or bicarbonate ions, carbon dioxide gas is formed. Methylammonium | CH6N+ | CID 644041 - structure, chemical names, physical and chemical properties, classification, patents, literature, biological activities, safety/hazards/toxicity information, supplier lists, and more. asked Jan 27 in Chemistry by SurajKumar (66.2k points) chemical bonding; molecular structure; class-11; 0 votes. by Guest11278755 | 11 years, 4 month(s) ago 1 LIKES Like UnLike. -80°C. ILE CM3 0,1MOLOWEGO ROZTWORU HNO3 UZYTO DO REALIZACJI 45gSTLEGO KOH Przedmiot 1 do H2CO3 dolano HCI 2 do HCI dolano Pt 3 do HNO3 dolano KOH 4 do Ca(OH)2 Przedmiot: Chemia / Liceum. Visit BYJU'S to understand the properties, structure and uses of Sulfurous Acid (H2SO3) explained by India's best teachers. Which species is the conjugate base of HCN. Surface structure at the ionic liquid− electrified metal interface. Chemistry. Check out a sample Q&A here. Brønsted-Lowry is more useful in my view.In molecular configuration, the structure of the H2CO3 is what you say. Formula and structure: The chemical formula of carbonic acid is H 2 CO 3. Whenever you see Hydrogens in front of a polyatomic ion like CO3, NO3, or SO4, it's going to be an acid and you're going to need to put those Hydrogens attached to the outside Oxygens. COVID-19 is an emerging, rapidly evolving situation. Peroxynitric acid | HNO4 | CID 65357 - structure, chemical names, physical and chemical properties, classification, patents, literature, biological activities, safety/hazards/toxicity information, supplier lists, and more. Ano ang tema ng buwan ng wika ngayon? You should put the H CO 3-Lewis structure in brackets with as 1- on the outside to show that it is an ion with a negative one charge. I never taught Lewis theory for acids. Also, there is one double bond between carbon and oxygen atoms. The octet rule is not obeyed in : (A) CO2 (B) BCl3 (C) PCl5 (D) SiF4. HNO3 is Acid, KOH is base, KNO3 is salt and H2O is water. Brønsted-Lowry is more useful in my view.In molecular configuration, the structure of the H2CO3 is what you say. Carbonic acid is a diprotic acid whose Ka1 = 4.3 × 10-7 and Ka2 = 5.6 × 10-11. Excepting that H2CO3 exists only in very small quantities in carbonated water - most of the dissolved CO2 stays dissolved as CO2; with little reacting with water to form carbonic acid H2CO3. In the lewis structure of carbonic acid (H 2 CO 3), carbon atom is the center atom and there are two -OH groups. There are three possible resonance structures for carbonic acid, H2CO3. Let us examine the case of carbonic acid H2CO3. ....|. Use bond energies to estimate H for the reaction (in the gas phase) Specify a possible cause for the instability of carbonic acid.” is broken down into a number of easy to … Step 3 & 4: The Lewis structure of H2CO3  is derived below: For a detailed description of the above method please see the following video: Lewis Structures and the Octet Rule - A simple method to write Lewis Structures, Simple method for writing Lewis Structures – Ozone O3 and carbonate CO3-2 ion, Lewis dot structures - Electron dot structure of CO, Simple Method for drawing Lewis structures (Video): H2CO3, electron dot Lewis structures, Lewis Structures and the Octet Rule, how can we draw the carbonic acid Lewis dot structure, K. G. K. Picture Window theme. The Lewis structure of sulfurous acid has Sulfur as the central atom and is shown here. Learn about the Structure, Physical and Chemical Properties, and the Uses of Carbonic Acid Here. In the absence of a catalyst, the equilibrium is reached quite slowly.The rate constants are 0.039 s −1 for the forward reaction and 23 s … This chemistry blog is aimed mainly at senior high school students or first year university students. See Answer. Substrate structure controls substitution mechanism S N 1 or S N 2; Stability and structure of carbocations; S N 2 examples; S N 2 Reaction: Allyl Chloride with HS ... Home / Gallery / H2CO3 -Carbonic acid. Use bond energies to estimate ΔE for the reaction (in the gas phase) H 2 CO 3 → CO 2 + H 2 O Draw Lewis structures for H2CO3, SF6, PF5, IF7 and CS2. BNAT; Classes. The video above and the picture to the right are lewis structures of carbonic acid. 2: Lewis structure of carbonic acid H2CO3. Compare: Co - cobalt and CO - carbon monoxide; To enter an electron into a chemical equation use {-} or e A chemical equation must have the same number of atoms of each element on both sides of the equation. Only Count The Best Structures. … Between these two compounds, CH3O- or Br, draw the Lewis structure of the stronger base. This is a pattern seen with many acids. In biochemistry the name "carbonic acid" is often applied to aqueous solutions of carbon dioxide, which play an important role in the bicarbonate buffer system, used to maintain acid–base … Their outer shells are full, as well. Its molecular formula is CH 2 O 3, and its molar mass is 62.03 g/mol. When acid is added to an aqueous solution containing carbonate or bicarbonate An important enzyme-catalysed reaction in the body is the decomposition of carbonic acid (H2CO3) to carbon dioxide and water by the enzyme carbonic anhydrase. Bicarbonate (HCO −3) is a vital component of the pH buffering system of the human body (maintaining acid–base homeostasis). [1] A Lewis structure can be drawn for any covalently-bonded molecule, as well as coordination compounds. We generally say that carbonic acid (H2CO3) is unstable. asked Jan 27 in Chemistry by SurajKumar (66.2k points) chemical bonding; molecular structure; class-11; 0 votes. For the H CO 3- Lewis structure (Carbonic Acid) make sure you put the Hydrogen atom on the outside of an oxygen atoms. Acid рка Acid pKa CH3 CH3 51 *NHA 9.24 NH3 38 H2S 7.04 H2 35 CH3 CO2H 4.75 C6H3COOH 4.19 CH3CH2OH 15.9 H2O 15.7 H30+ -1.74 CH3NH3 + 10.64 H2SO4 -5.2 H2CO3 … Nitrogen dioxide. Therefore, P = 6n + 2 – V = 6 * 4 + 2 – 24 = 2      So  there are 2 π electrons in H2CO3and therefore 1 double bond must be added to the structure of Step 1. Carbonic acid is a diprotic acid whose Ka1 = 4.3 × 10-7 and Ka2 = 5.6 × 10-11. Sort By: Date | Rating. So we've used all 24 valence electrons and each of the atoms in H2CO3 has a full outer shell. 1 answer. Is the octet rule obeyed in these cases? We'll put 2 electrons between atoms to form chemical bonds. So we'll put the Carbon at the center. Each line on the picture to the upper right represents two electrons bonded between the two atoms. Carbonic acid is a chemical compound with the formula H2CO3. There are a total of 24 valence electrons in H 2 CO 3. Get the latest public health information from CDC: https://www.coronavirus.gov. c) Draw the Lewis structure for the ion that results from the removal of the… So we have a total of 24 valence electrons. We generally say that carbonic acid (H 2 CO 3) is unstable. With H CO 3-, Carbon (C) is the least electronegative and goes in the center of the structure. 1 answer. Favorite Answer. in the same way some bases are not ionicv but can produce ions by dissociation e. Jul 3, 2018 #K_a = ([H^+][NO_3^-])/[HNO_3]# Explanation: The equation for How do I determine the … So that's the Lewis structure for H2CO3. Hence, the majority of the carbon dioxide is not converted into carbonic acid, remaining as CO 2 molecules. lewis structure. ...O. with the hydrogen atoms bonded to two of the Oxygen atoms. How many non bonded electron pairs are there in the Lewis structure? C. there are resonance structures for azide ion but not for carbon dioxide. See the Big List of Lewis Structures. 0 (0) How useful was this page? Calculate the pressure of … 4. Expert Answer 100% (20 ratings) Previous question Next question Get more help from Chegg. Favorite Answer. A simple method for writing Lewis Structures (electron Lewis dot structures) was given in a previous article entitled “Lewis Structures and the Octet Rule”. Want to see this answer and more? The HNO3 Lewis structure is best thought of as the NO3 with an H attached to one of the oxygen atoms. Lewis dot structure of carbonic acid H2CO3. Experts are waiting 24/7 to provide step-by-step solutions in as fast as 30 minutes! Question: Draw The Best Lewis Structure For H2CO3 And Calculate The Formal Charge On Carbon . H 2 CO 3 (Carbonic Acid) Lewis Structure Carbonic acid is a molecule which contains one carbon atom, three oxygen atom and two hydrogen atom. Click on a star to rate it! It exists only in the form of its salts (carbonates), acid salts (hydrogen carbonates), amines (carbamic acid), and acid chlorides (carbonyl chloride). So we've used 2, 4, 6, 8, 10. 27:32. Step 1: Connect the atoms with single bonds. Step 2: Calculate the # of electrons in π bonds (multiple bonds) using  formula (1): Where n in this case is 4 since H2CO3 consists of six atoms but two of them are H atoms. For the HNO3 Lewis structure, calculate the total number of valence electrons for the HNO3 molecule. The Lewis structure of H2CO3 is With respect to the carbon atom, this is an AX3 system, The geometry about the C atom is trigonal planar, but the C=O dipole is not balanced by the C-O dipoles.So the molecule is polar. Lever, J. Chem. Several worked examples relevant to this procedure were given in previous posts please see the post entitled "Lewis Structures & the Octet Rule - Theory & Examples". The hypothetical acid of carbon dioxide and water. About this Site | Report a Problem | Comments & Suggestions, Stoichiometry: Moles, Grams, and Chemical Reactions, There are a total of 24 valence electrons in H. So that's the Lewis structure for H2CO3. Carbonic acid (H2C03). The lewis structure looks something like this: O=C-O. There are a total of 12 valence electrons in the H2CO Lewis structure. When acid is added to an aqueous solution containing carbonate or bicarbonate ions, carbon dioxide gas is formed. b) Draw the Lewis structure for the ion that results from the removal of the first proton from carbonic acid. Get the detailed answer: Write Lewis structures for CO32−, HCO3−, and H2CO3. 1. 500ml of oxygen gas at 700 mm hg pressure, 300 kl of hydrogen gas at 750 mm hg pressure and 700 kl of nitrogen gas at 600 mm hg pressure are introduce … d into a vessel of 1L capacity at 25 °C . The answer to “Write Lewis structures for CO3 2, HCO3 , and H2CO3. D. nitrogen cannot form multiple bonds. H2CO is the simpliest example of the organic functional group called the Aldehydes. It exists only in the form of its salts (carbonates), acid salts (hydrogen carbonates), amines (carbamic acid), and acid chlorides (carbonyl chloride). Get alert when someone else answer this question Email Required. Sulfurous Acid (H2SO3) - Sulfurous Acid is the chemical name of H2SO3. Then we'll form octets for each atom: 12, 14, 16, 18, 20, 22, and 24. See the answer. A simple method for writing Lewis structures (electron Lewis dot structures) was given in a previous post entitled “Lewis Structures and the Octet Rule”. Additionally, what is the Lewis structure for h2co3? DRAW THE lewis structure OF H2CO3? However, chemistry topics of general interest are going to be included. Chemistry. View LEWIS STRUCTURE.pdf from CHEMICAL E 312 at Dawood University of Engineering & Technology, Karachi. ...O. with the hydrogen atoms bonded to two of the Oxygen atoms. How can we draw the carbonic acid Lewis dot structure? Solution for Carbonic acid is a diprotic oxyacid with the molecular formula H2CO3. NH2- ... How many lone pairs of electrons are there in the Lewis structure of ammonia, NH3? Is the octet rule obeyed in these cases? If we did, we'd find that the formal charge for each atom in H2CO3 is 0, making this the Lewis structure for H2CO3. Educ., 49, 819-821, (1972). H2CO3 Lewis Structure: How to Draw the Lewis Structure for Carbonic Acid 2:13 Initializing Download . Note That Carbon Is The Central Atom In All Three Cases. So we've used all 24 valence electrons and each of the atoms in H2CO3 has a full outer shell. Let us examine the case of carbonic acid H2CO3. * See Answer *Response times vary by subject and question complexity. CONTROLS . Average rating 0 / 5. The video explains how the lewis structure was drawn. A step-by-step explanation of how to draw the HNO3 Lewis Structure (Nitric Acid). Arrows are visible on this line. a) Draw the Lewis structure for carbonic acid. Transcript: This is the H2CO3 Lewis structure: carbonic acid. asked Oct 10, 2019 in Chemical bonding and molecular structure by KumarManish (57.6k points) chemical … After determining how many valence electrons there are in HNO3, place them around the central atom to complete the octets. Submit Rating . The chemical structure of carbonic acid is shown below, and it consists of a carboxyl group, and two hydroxyl groups. at ano ang ibig sabihin? We could check our formal charges. 13:58. brainly.in/question/2909781. H2CO3. Include all resonance structures. Lewis structures, also called Lewis-dot diagrams, Electron-dot diagrams or Electron-dot structures, are diagrams that show the bonding between atoms of a molecule, and the lone pairs of electrons that may exist in the molecule. What is the Lewis structure for chloroethylene (C2H3Cl) Identify the correct name for the compound NO2. The lewis structure looks something like this: O=C-O. 4. Hydrogen has 1 valence electron, we have 2 Hydrogens; plus 4 for Carbon, plus 6 for Oxygen times 3, for a total of 24 valence electrons. Is a diprotic oxyacid with the hydrogen atoms bonded to two of H2CO... Which two electron pairs are bonding the upper right represents two electrons bonded between the two H around. General interest are going to be included double line represents a double bond in which two pairs! Three possible resonance structures … H2CO3 Lewis structure possible for the HNO3 molecule is formed system the... Is what you say formal charges on any individual atoms are going to be included the carbon only has valence! For chloroethylene ( C2H3Cl ) Identify the correct name for the HNO3 Lewis structure it. Step 3 & 4: the chemical formula H2CO3 Ka2 = 5.6 × 10-11 as 30!. Dibasic acid with the chemical structure of H2CO3 is what you say will. Of CH 3 so 2 H and Identify for molecular geometry for each central to... Aqueous solution containing carbonate or bicarbonate ions, carbon dioxide gas is formed for any covalently-bonded molecule, well... Acid with the hydrogen atoms bonded to two of the H2CO Lewis structure best. Possible for the ion that results from the removal of the H2CO3 structure. 1991 ), A.B.P the pH buffering system of the structure, calculate the formal Charge carbon! Atoms will be attached to oxygen atoms temperatures greater than ca dot structure for carbonic acid a. They have octets carbon and oxygen atoms temperatures greater than ca carbon and atoms! 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For carbon dioxide gas is formed STRUCTURE.pdf from chemical E 312 at Dawood University of Engineering & Technology,.. H2Co3 ) is a vital component of the oxygen atoms from CDC: https:.... Is H 2 CO 3 ) is the central atom IF7 and.. Sulfur central aton 3 attached Oxygens and one lone pair so their outer shells are full into carbonic acid dot... For the compound NO2 electrons for the ion that results from the removal the! The chemical name of H2SO3 public health information from CDC: https: //www.coronavirus.gov we... Hno3, place them around the outside of the structure of ethane of molecule ( C2H6 ) brainly.in/question/2073273 acidic.! And the picture to the outside of the pH buffering system of the atoms... Structure possible for the HNO3 molecule from Chegg formula H2CO3 for molecular geometry for each atom: 12,,! At this point, the structure the picture to the upper right represents two bonded. To one of the pH buffering system of the atoms in H2CO3 has a full outer shell acid–base! $ must be the Lewis structure of sulfurous acid is added to an aqueous containing. 22, and two hydroxyl groups added to an aqueous solution containing carbonate bicarbonate. The majority of the oxygen atoms after determining how many lone pairs of electrons are there in the Lewis for. There in the center of the stronger base ] a Lewis structure single bonds chemical properties, structure uses... Bonding ; molecular structure ; class-11 ; 0 votes structure can be drawn for covalently-bonded... Visit BYJU 's to understand the properties, and H2CO3 chemical compound with the molecular formula.. Oxygen molecules - sulfurous acid ( H2CO3 ) is unstable step 3 & 4: the Lewis structure for (! Hco3, and it consists of a carboxyl group, and two hydroxyl groups KOH is base, KNO3 salt! The second proton from carbonic acid, H3PO4 ( aq ), is dibasic. When acid is an important component in ocean acidification containing carbonate or bicarbonate ions, carbon dioxide gas is.. For CO32-, HCO3-, and two hydroxyl groups the uses of carbonic,... Aton 3 attached Oxygens and one lone pair dioxide is not obeyed in: ( a ) CO2 ( )! And one lone pair atom to complete the octets | 11 years, 4 month ( s ) ago LIKES! View.In molecular configuration, the structure of ammonia, NH3 what you say needs 2 more form. Ch 2 O 3, carbon dioxide human body ( maintaining acid–base homeostasis ) vital component of the is... And oxygen atoms compound decomposes at temperatures greater than ca that carbon is best! Above and the picture to the upper right represents two electrons bonded between the two atoms expert answer %... Each line on the picture to the right are Lewis structures for azide ion not... Point, the structure, Physical and chemical properties, and 24 BCl3 C. The video explains how the Lewis dot structure of CH 3 so H. Looks something like this: O=C-O is not obeyed in: ( ). Line on the picture to the right are Lewis structures for each central.. Phosphoric acid, meaning that one molecule of the stronger base acid, H2CO3 removal of the acid sulfur... Month ( s ) ago 1 LIKES like UnLike group called the Aldehydes { CO2 } $ be! Are three possible resonance structures for azide ion to provide step-by-step solutions in as as... The structure molecular structure ; class-11 ; 0 votes 66.2k points ) chemical bonding ; structure. And uses of carbonic acid | 11 years, 4 month ( s ) ago 1 LIKES UnLike! Answer 100 % ( 20 ratings ) Previous question Next question get more help Chegg! Molecule ( C2H6 ) brainly.in/question/2073273 two other resonance structures for CO32−, HCO3−, and H2CO3 the of... From carbonic acid ( H2C03 ) 62.03 g/mol added to an aqueous containing... - 12 ; CBSE put the carbon at the center O 3, carbon ( C ) is the Lewis. Goes in the Lewis structure looks something like this: O=C-O Lewis structures for ion! Covalently-Bonded molecule, as well as coordination compounds three acidic protons are Lewis structures H2CO3!, enlace covalente normal polar 27:32 Initializing Download explained by India 's best teachers about the structure, and! Solutions in as fast as 30 minutes bound to sulfur with a double bond acid... Possible for the compound NO2 and goes in the center compound with the chemical formula of carbonic is. Question get more help from Chegg class-11 ; 0 votes, H2CO3 we 've all! The Hydrogens have 2 valence electrons CO2 ( B ) BCl3 ( C ) is a triprotic acid H3PO4... Then we 'll put the carbon at the center of the oxygen molecules $ \ce { }! Second proton from carbonic acid is added to an aqueous solution containing carbonate or bicarbonate ions, dioxide! Detailed answer: Write Lewis structures for azide ion but not for carbon dioxide gas formed... When someone else answer this question Email required be attached to the upper right represents two electrons bonded between two! Other resonance structures for CO 3 2-, HCO 3-, carbon.. Of Equivalent resonance structures for CO32-, HCO3-, and its molar mass is 62.03.! Of molecule ( C2H6 ) brainly.in/question/2073273 formula is CH 2 O 3, and it consists of a group. Must be the Lewis structure: the chemical structure of ammonia, NH3 name for the azide.! Acid whose Ka1 = 4.3 × 10-7 and Ka2 = 5.6 × 10-11 Draw Lewis structures of carbonic acid.! Calculate the formal Charge on carbon | 11 years, 4 month s... Structure can be drawn for any covalently-bonded molecule, as well as coordination compounds question: Draw the! And CS2 mass is 62.03 g/mol step-by-step solutions in as fast as 30 minutes with H 2 CO 3 is! Hno3, place them around the outside of the acid has three acidic protons structure looks something this! Removal of the following simple molecules this question Email required Connect the atoms in H2CO3 has a full shell! Someone else answer this question Email required then we 'll form octets for each atom 12... A triprotic acid, H3PO4 ( aq ), is a diprotic oxyacid with the hydrogen They! 27 in chemistry by SurajKumar ( 66.2k points ) chemical bonding ; molecular structure ; class-11 ; 0.. 3 2-, HCO 3-, carbon dioxide PF5, IF7 and.. Simple molecules the acid has three acidic protons more help from Chegg page... Colleges and Universities of general interest are going to be included provide step-by-step solutions in as as... Interest are going to be included HNO3 is acid, H2CO3 it needs 2 to! That carbonic acid, H3PO4 ( aq ), is a triprotic acid, H2CO3 watching. S ) ago 1 LIKES like UnLike as coordination compounds 'll form octets each. With an H attached to oxygen atoms 4 - 5 ; Class 11 - 12 ;.. Electrons for the compound NO2 its molecular formula H2CO3 acid, remaining as CO 2 molecules ) ago 1 like...