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1.
where 
where
2.
The product obtained at anode when 50% 
aqueous solution is electrolysed using platinum electrodes is
aqueous solution is electrolysed using platinum electrodes is
3.
The approximate e.m.f. of a dry cell is :
4.
, and 
are the emfs of the following three galvanic cells respectively
I. Zn (s) |
(0.1 M) || 
(1 M) | Cu (s)
II. Zn (s) | (1 M) || (1 M) | Cu (s)
III. Zn (s) | (1 M) || (0.1 M) | Cu (s)
Which one of the following is true?
, and are the emfs of the following three galvanic cells respectivelyI. Zn (s) |
(0.1 M) || (1 M) | Cu (s)II. Zn (s) |
(1 M) || (1 M) | Cu (s)III. Zn (s) |
(1 M) || (0.1 M) | Cu (s)Which one of the following is true?
5.
The fraction of the total current carried by an ion is known as:
6.
In a galvanic cell, which is wrong?
7.
The rusting of iron takes place as follows
Calculate
for the net process.
Calculate
for the net process.
8.
What weight of copper will be deposited by passing 2 faraday of electricity through a solution of Cu(II) salt?
9.
Chlorine cannot displace :
10.
The resistance of a decinormal solution of a salt occupying a volume between two platinum electrodes 1.80 cm apart and 
in area was formed to be 32 ohm. The specific and equivalent conductivity respectively in their proper units are :
in area was formed to be 32 ohm. The specific and equivalent conductivity respectively in their proper units are :