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Alpha Question Bank for Medical: Chemistry
>
Chapter 9 - Electrochemistry
>
Exercise 5
>
Q 36
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HARD
NEET
IMPORTANT
Earn 100
A smuggler could not carry gold by depositing iron on the gold surface since
(a)
Gold is denser
(b)
Iron rusts
(c)
Gold has higher reduction potential then iron
(d)
Gold has lower reduction potential than iron.
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Important Questions on Electrochemistry
HARD
NEET
IMPORTANT
Alpha Question Bank for Medical: Chemistry
>
Chapter 9 - Electrochemistry
>
Exercise 5
>
Q 37
The correct order of increasing oxidizing power is
HARD
NEET
IMPORTANT
Alpha Question Bank for Medical: Chemistry
>
Chapter 9 - Electrochemistry
>
Exercise 5
>
Q 38
The hydrogen electrode is dipped in a solution of
pH
=
3
at
25
°
C
. The potential of the cell would be (value of
2
.
303
RT
/
F
is
0
.
059
V
)
HARD
NEET
IMPORTANT
Alpha Question Bank for Medical: Chemistry
>
Chapter 9 - Electrochemistry
>
Exercise 5
>
Q 39
In electrolysis of
NaCl
, when platinum electrode is taken,
H
2
is liberated at the cathode while with mercury cathode, it forms sodium amalgam. This is because:
