NEET (NTA)-National Eligibility cum Entrance Test (Medical) Chemistry: Questions 1253 - 1257 of 1258

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Question number: 1253

» Redox Reactions & Electrochemistry » Electrode Potentials

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MCQ▾

Question

Standard reduction potentials at are volt respectively. Which one of the following is the strongest oxidising agent?

Choices

Choice (4)Response

a.

b.

c.

d.

Question number: 1254

» Redox Reactions & Electrochemistry » Half - Cell and Cell Reactions

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MCQ▾

Question

The standard redox potentials of the following systems are:

Table shows System & Their Volts

Table shows System & Their Volts

System

E° (volts)

(i)

(ii)

(iii)

(iv)

The oxidising power of the various species are related as

(1)

(2)

(3)

(4)

Choices

Choice (4)Response

a.

2 and 4

b.

1 and 3

c.

1 and 2

d.

1,2 and 3

Question number: 1255

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

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MCQ▾

Question

Reduction potential of four elements P, Q, R S is and Reactivity decreases in the order

Choices

Choice (4)Response

a.

b.

c.

d.

Question number: 1256

» Redox Reactions & Electrochemistry » EMF of Galvanic Cell and Measurement

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Assertion-Reason▾

Question

Assertion (Ꭺ)

Emf and potential difference are not same for cell.

Reason (Ꭱ)

Both gives the difference in electrode potential under any condition.

Choices

Choice (4)Response

a.

Ꭺ is true but Ꭱ is false

b.

Ꭺ is false but Ꭱ is true

c.

Both Ꭺ and Ꭱ are true and Ꭱ is the correct explanation of Ꭺ

d.

Both Ꭺ and Ꭱ are false

Question number: 1257

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

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MCQ▾

Question

In electrolysis of dilute using platinum electrodes

Choices

Choice (4)Response

a.

is evolved at cathode

b.

is obtained at cathode

c.

is produced

d.

is produced at anode

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