Chapter 4, Problem 28A

(a)

Interpretation Introduction

Interpretation:

The formula for given compound is to be written.

Concept introduction:

Acid is a substance which can donate proton or accept electrons in a reaction.

Answer to Problem 28A

  $HI$

Explanation of Solution

The name hydroiodic acid shows acid of iodine. As iodine forms one covalent bond with hydrogen, so, the formula is $HI$ .

(b)

Interpretation Introduction

Interpretation:

The formula for given compound is to be written.

Concept introduction:

Acid is a substance which can donate proton and accept electron in a reaction.

Answer to Problem 28A

  $HCl{O}_4$

Explanation of Solution

The perchloric acid is formed from anion perchlorate. The formula of perchlorate ion is $Cl{O}_4{}^{-}$ . So, the formula of perchloric acid is $HCl{O}_4$ .

(c)

Interpretation Introduction

Interpretation:

The formula for given compound is to be written.

Concept introduction:

Acid is a substance which can donate proton and accept electron in a reaction.

Answer to Problem 28A

  $C{H}_{3}COOH$

Explanation of Solution

Acetic acid is formed from acetate anion. The formula of acetate anion is $C{H}_{3}CO{O}^{-}$ . So, the formula of compound is $C{H}_{3}COOH$ .

(d)

Interpretation Introduction

Interpretation:

The formula for given compound is to be written.

Concept introduction:

Acid is a substance which can donate proton and accept electron in a reaction.

Answer to Problem 28A

  $HF$

Explanation of Solution

The name hydrofluoric acid shows acid of Fluorine. As Fluorine forms one covalent bond with hydrogen, so, the formula is $HF$ .

(e)

Interpretation Introduction

Interpretation:

The formula for given compound is to be written.

Concept introduction:

Acid is a substance which can donate proton and accept electron in a reaction.

Answer to Problem 28A

  $HCl{O}_3$

Explanation of Solution

The chloric acid is formed from anion chlorate. The formula of chlorate ion is $Cl{O}_3{}^{-}$ . So, the formula of chloric acid is $HCl{O}_3$ .

(f)

Interpretation Introduction

Interpretation:

The formula for given compound is to be written.

Concept introduction:

Acid is a substance which can donate proton and accept electron in a reaction.

Answer to Problem 28A

  $HBr$

Explanation of Solution

The name hydrobromic acid shows acid of bromine. As bromine forms one covalent bond with hydrogen, so, the formula is $HBr$ .

(g)

Interpretation Introduction

Interpretation:

The formula for given compound is to be written.

Concept introduction:

Acid is a substance which can donate proton and accept electron in a reaction.

Answer to Problem 28A

  $H_{2}S{O}_3$

Explanation of Solution

The sulphurous acid is formed from anion sulphite. The formula of sulphite ion is $S{O}_3{}^{2-}$ . So, the formula of sulphurous acid is $H_{2}S{O}_3$ .

(h)

Interpretation Introduction

Interpretation:

The formula for given compound is to be written.

Concept introduction:

Acid is a substance which can donate proton and accept electron in a reaction.

Answer to Problem 28A

  $H_{3}P{O}_4$

Explanation of Solution

The phosphoric acid is formed from anion phosphate. The formula of phosphate ion is $P{O}_4{}^{3-}$ so, the formula of phosphoric acid is $H_{3}P{O}_4$