Electrochemistry UPSC Questions

Chemistry

Electrochemistry MCQ Questions


1.
Electrochemistry is the study of production____________ released during spontaneous chemical reactions .
A.
Electricity from Energy
B.
Electron
C.
Electric
D.
Economy
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ANSWER :
A. Electricity from Energy
2.
Who produced a large number of metals, sodium hydroxide, chlorine, fluorine and many other chemicals?
A.
Electric
B.
Electrophysics
C.
Electrochemistry
D.
Electricity from Energy
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ANSWER :
C. Electrochemistry
3.
Electrochemistry is a very vast and interdisciplinary subject.
A.
Fast
B.
Vast
C.
Control
D.
Opportunity
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ANSWER :
B. Vast
4.

What is the formula name of Zn2+?

A.

Zinc (II) ion

B.

Manganese(2+)

C.

Metal

D.

Oxygen

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ANSWER :
A.

Zinc (II) ion

5.

What is the formula of Copper(II) cation ?

A.

Ni2+

B.

Zn2+

C.

Mn2+

D.

Cu2+

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ANSWER :
D.

Cu2+

6.

Electrochemistry to electrical energy and has an electrical potential equal to 1.1 V when concentration of Zn2+ and Cu2+ ions is unity

A.

1 mol dm–5

B.

1 mol dm–3

C.

4 mol dm–7

D.

8 mol dm–9

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ANSWER :
B.

1 mol dm–3