Published by:
CGP EDU Academic Team
Published on: August 14, 2026
For the reaction :
3 × (S) + 2Y 3+ (aq) ⎯→ 3X 2+ +2Y(s) E 0 cell > 0
(i) Which of the following represent the valid Electrochemical cell ?
A
Flow of electron from Y to X 
changes 0.60 V 0.2 V
changes 0.60 V 0.2 V
B
Salt bridge contain most likely AgNO 3 
changes – 0.20 V 
V
changes – 0.20 V V
C
X should represent anode E cell drops to zero 0.20 V 
V
V
D
X should represent positive electrode (ii) If salt bridge is removed, which of the following would occur ? E cell increases (iii) If 
= – 0.20 V and 
= 0.4 V, then E 0 cell is – – 0.60 V (iv) What is the potential of the above arrangement ? 
V
= – 0.20 V and = 0.4 V, then E 0 cell is – – 0.60 V (iv) What is the potential of the above arrangement ? V
Text Solution
Verified by ExpertsThe correct answer is:
0.20
(i)
Sol. X should represent anode
(ii)
Sol. When salt bridge is removed an opposite potential against the electrode e.m.f. is developed.
(iii)
Sol. 0.20 V
(iv)
Sol. E cell = E 0 cell – 
log 
= 0.2 – 
log 
= 0.2 + 
V
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