NEET (NTA)-National Eligibility cum Entrance Test (Medical) Chemistry: Questions 53 - 58 of 1258

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Question number: 53

» Basic Concepts in Chemistry » Matter and Its Nature

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MCQ▾

Question

Those which do not allow the flow of current through them are termed as?

Choices

Choice (4) Response

a.

Insulators

b.

Electrodes

c.

Electrolyte

d.

Conductors

Question number: 54

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

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MCQ▾

Question

The cell reaction is the standard reduction potentials of Mg and Cu are and respectively. The emf of the cell is?

Choices

Choice (4) Response

a.

b.

c.

-2.714 V

d.

Question number: 55

» Redox Reactions & Electrochemistry » Electrolytic and Galvanic Cells

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MCQ▾

Question

In a galvanic cell the electrons flow from?

Choices

Choice (4) Response

a.

Anode to cathode through the solution

b.

Cathode to anode through the solution

c.

Cathode to anode through the external circuit.

d.

Anode to cathode through the external circuit

Question number: 56

» Redox Reactions & Electrochemistry » Electrode Potentials

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MCQ▾

Question

Arrange the following metals in decreasing order of their standard electrode potentials?

Choices

Choice (4) Response

a.

Li, Ca and K

b.

Ca, Li and K

c.

Li, K and Ca

d.

K, Ca and Li

Question number: 57

» Redox Reactions & Electrochemistry » Nernst Equation and Its Applications

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MCQ▾

Question

Find the cell potential for the following cell

Choices

Choice (4) Response

a.

1.05 volt

b.

1.08 volt

c.

1.02 volt

d.

1.06 volt

Question number: 58

» Redox Reactions & Electrochemistry » Electrolytic and Metallic Conduction

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MCQ▾

Question

In the process of electroplating 1mg of silver is deposited when 4 amp of current flows for 2 min. The amount in grams of silver deposited by 6 ampere of current flowing for 40 seconds will be?

Choices

Choice (4) Response

a.

b.

m/2

c.

d.

4 m