Hydrogen-Structure, Preparation, Reactions and Uses of Hydrogen Peroxide (NEET Chemistry): Questions 15 - 19 of 19

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Question number: 15

» Hydrogen » Structure, Preparation, Reactions and Uses of Hydrogen Peroxide

MCQ▾

Question

A substance liberates oxygen on heating and turns an acidic solution of KI brown and reduces acidified KMnO4 solution. The substance is?

Choices

Choice (4) Response
a.

H2O2

b.

CuO

c.

HgO

d.

KNO3

Question number: 16

» Hydrogen » Structure, Preparation, Reactions and Uses of Hydrogen Peroxide

MCQ▾

Question

When 50 % solution of H2SO4 is electrolyzed by passing a current of high density at low temperature the main products of electrolysis are?

Choices

Choice (4) Response
a.

Hydrogen and peroxy disulphuric acid

b.

H2 and SO2

c.

O2 and peroxy disulphuric acid

d.

Oxygen and Hydrogen

Question number: 17

» Hydrogen » Structure, Preparation, Reactions and Uses of Hydrogen Peroxide

MCQ▾

Question

The oxide that gives hydrogen peroxide on treatment with a dilute acid is?

Choices

Choice (4) Response
a.

MnO2

b.

Na2O2

c.

TiO2

d.

PbO2

Question number: 18

» Hydrogen » Structure, Preparation, Reactions and Uses of Hydrogen Peroxide

MCQ▾

Question

Which of the following condition is suitable for the reduction of potassium ferri cyanide with hydrogen peroxide?

Choices

Choice (4) Response
a.

neutral medium

b.

alkaline medium

c.

non-polar medium

d.

acidic medium

Question number: 19

» Hydrogen » Structure, Preparation, Reactions and Uses of Hydrogen Peroxide

MCQ▾

Question

What is the volume of oxygen liberated at NTP by complete decomposition of 100 ml of 2M solution of hydrogen peroxide?

Choices

Choice (4) Response
a.

2.24 L

b.

22.4 L

c.

224 L

d.

0.224 L

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