NEET Chemistry: Questions 85 - 90 of 677

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Question number: 85

» Redox Reactions & Electrochemistry » Electronic Concepts of Oxidation and Reduction

MCQ▾

Question

For the extraction of silver from the solution containing sodium argento cyanide which of the following metal is added?

Choices

Choice (4) Response

a.

Zn

b.

Ca

c.

Al

d.

Mg

Question number: 86

» Redox Reactions & Electrochemistry » Electrolytic and Metallic Conduction

MCQ▾

Question

If certain quantity of electricity deposits 0.54g of Ag from silver nitrate solution, what volume

of hydrogen will be liberated by same quantity of electricity at 270C and 750mm of Hg pressure?

Choices

Choice (4) Response

a.

0.0823 L

b.

0.0924 L

c.

0.0623 L

d.

0.066 L

Question number: 87

» Redox Reactions & Electrochemistry » Electrode Potentials

MCQ▾

Question

Which of the following is the best reducing agent?

Choices

Choice (4) Response

a.

Br

b.

F -

c.

l

d.

Cl

Question number: 88

» Redox Reactions & Electrochemistry » Electrolytic and Metallic Conduction

MCQ▾

Question

By which of the following processes sodium metal can be manufactured?

Choices

Choice (4) Response

a.

Down’s process

b.

Dennis method

c.

Hoope’s method

d.

Whyt law-gray method

Question number: 89

» Redox Reactions & Electrochemistry » Types of Electrodes

MCQ▾

Question

The calomel electrode used as a reference electrode contains?

Choices

Choice (4) Response

a.

PbO2PbSO4 mixture

b.

ZnCl2

c.

HgCl2

d.

Hg2Cl2

Question number: 90

» Redox Reactions & Electrochemistry » Electrode Potentials

MCQ▾

Question

In the following redox reaction, if the standard reduction potential of Iodine is +0.54V . What

is the standard reduction potential of Fe+3Fe+2 ?

2Fe+3(aq)+2I(aq)2Fe+2(aq)+I2(s)

The equilibrium constant for the reaction is 1×108 at 298K

Choices

Choice (4) Response

a.

1.006V

b.

0.77V

c.

0.77V

d.

1.006V

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