Chemistry Crash Course COMEDK UGET>Chapter 8 - Redox Reactions>Exercise 1>Q 138

MEDIUM

COMEDK UGET

IMPORTANT

Earn 100

Hot concentrated sulphuric acid is a moderately strong oxidizing agent. Which of the following reactions does not show oxidising behaviour of sulphuric acid?

50% studentsanswered this correctly

Important Questions on Redox Reactions

EASY

COMEDK UGET

IMPORTANT

Chemistry Crash Course COMEDK UGET>Chapter 8 - Redox Reactions>Exercise 1>Q 39

{BeF}_{2}

is prepared in the presence of

{CO}_{2}

by thermal decomposition of _________.

EASY

COMEDK UGET

IMPORTANT

Chemistry Crash Course COMEDK UGET>Chapter 8 - Redox Reactions>Exercise 1>Q 40

An example for an oxidation reaction is_____.

MEDIUM

COMEDK UGET

IMPORTANT

Chemistry Crash Course COMEDK UGET>Chapter 8 - Redox Reactions>Exercise 1>Q 41

The reaction,

3 {ClO}^{-} (aq) ⟶ {ClO}_{3}^{-} (aq) + 2 {Cl}^{-} (aq)

, is an example of a/an

MEDIUM

COMEDK UGET

IMPORTANT

Chemistry Crash Course COMEDK UGET>Chapter 8 - Redox Reactions>Exercise 1>Q 42

In the reaction,

3 {Br}_{2} + 6 {CO}_{3}^{2 -} + 3 H_{2} O ⟶ 5 {Br}^{-} + {BrO}_{3}^{-} + 6 {HCO}_{3}^{-}

MEDIUM

COMEDK UGET

IMPORTANT

Chemistry Crash Course COMEDK UGET>Chapter 8 - Redox Reactions>Exercise 1>Q 43

{ClO}_{2}

reacts with water and alkali to give:

EASY

COMEDK UGET

IMPORTANT

Chemistry Crash Course COMEDK UGET>Chapter 8 - Redox Reactions>Exercise 1>Q 44

The oxidation number of sulphur is

+ 4

in

EASY

COMEDK UGET

IMPORTANT

Chemistry Crash Course COMEDK UGET>Chapter 8 - Redox Reactions>Exercise 1>Q 45

A redox reaction among the following is:

(i) ${CdCl}_{2} + 2 KOH \to Cd (OH)_{2} + 2 KCl$

(ii) ${BaCl}_{2} + K_{2} {SO}_{4} \to {BaSO}_{4} + 2 KCI$

(iii) ${CaCO}_{3} \to CaO + {CO}_{2}$

(iv) $2 Ca + O_{2} \to 2 CaO$

EASY

COMEDK UGET

IMPORTANT

Chemistry Crash Course COMEDK UGET>Chapter 8 - Redox Reactions>Exercise 1>Q 46

The oxidation number of oxygen in

{Na}_{2} O_{2}

is: