Chemistry Crash Course JEE Main>Chapter 20 - Redox Reactions>Level 1>Q 7

EASY

JEE Main

IMPORTANT

Earn 100

In ${FeCr}_{2} O_{4},$ the oxidation numbers of $Fe$ and $Cr$ are :

75% studentsanswered this correctly

Important Questions on Redox Reactions

EASY

JEE Main

IMPORTANT

Chemistry Crash Course JEE Main>Chapter 20 - Redox Reactions>Level 1>Q 8

The oxidation number of phosphorus in

{Mg}_{2} P_{2} O_{7}

is :

EASY

JEE Main

IMPORTANT

Chemistry Crash Course JEE Main>Chapter 20 - Redox Reactions>Level 1>Q 9

A reducing agent is a substance:

EASY

JEE Main

IMPORTANT

Chemistry Crash Course JEE Main>Chapter 20 - Redox Reactions>Level 1>Q 10

In the reaction

2 Ag + 2 H_{2} {SO}_{4} ⟶ {Ag}_{2} {SO}_{4} + 2 H_{2} O + {SO}_{2}

, sulphuric acid acts as :

EASY

JEE Main

IMPORTANT

Chemistry Crash Course JEE Main>Chapter 20 - Redox Reactions>Level 1>Q 11

Which of the following is a redox reaction?

EASY

JEE Main

IMPORTANT

Chemistry Crash Course JEE Main>Chapter 20 - Redox Reactions>Level 1>Q 12

In which of the following reactions, is there a change in the oxidation number of nitrogen atom?

EASY

JEE Main

IMPORTANT

Chemistry Crash Course JEE Main>Chapter 20 - Redox Reactions>Level 1>Q 13

Which reaction does not represent auto redox or disproportionation reaction?

EASY

JEE Main

IMPORTANT

Chemistry Crash Course JEE Main>Chapter 20 - Redox Reactions>Level 1>Q 14

If

25 mL

of

H_{2} {SO}_{4}

solution reacts completely with

1.06 g

of pure

{Na}_{2} {CO}_{3},

what is the normality of this acid solution:

EASY

JEE Main

IMPORTANT

Chemistry Crash Course JEE Main>Chapter 20 - Redox Reactions>Level 1>Q 15

A certain weight of pure

{CaCO}_{3}

is made to react completely with

200 mL

of a

HCl

solution to give

224 mL

of

{CO}_{2}

gas at

STP

. The normality of the

HCl

solution is: