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Chemistry & Chemical Reactivity

10th Edition
John C. Kotz + 3 others
ISBN: 9781337399074

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BuyFindarrow_forward

Chemistry & Chemical Reactivity

10th Edition
John C. Kotz + 3 others
ISBN: 9781337399074
Textbook Problem

Oxalic acid, H2C2O4, which is found in certain plants, can provide two hydronium ions in water. Write balanced equations (like those for sulfuric acid on page 142) to show how oxalic add can supply one and then a second H3O+ ion.

Interpretation Introduction

Interpretation:

The balanced equation for the ionization of oxalic acid in water should be given.

Concept introduction:

The law of conservation of mass states that no atoms can be created or destroyed in a chemical reaction, therefore, the number of atoms present in the reactants is equal to the number of atoms present in the products.

Bronsted acid: An acid donates (loses)H+ ion.

Bronsted Base: A base accepts (gains)H+ ion.

Explanation

The balanced equation for the oxalic acid in water is given below

  

Oxalic acid is a strong dicarboxylic acid (it contains two carboxylic acid group) Oxalic acid gives the H+ ion to water molecule and forms the hydronium ion (H3O+) and hydrogenoxalate anion (HC2O4-).  Here oxalic acid behaves as acid because it donates the proton to the water molecule therefore water molecule behaves as a base (it abstract the proton).

  

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