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NEET Class neet Answered

Please annswer the following question.
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Asked by Balbir | 28 Aug, 2019, 08:33: PM
answered-by-expert Expert Answer
Given:
 
M+  +  X →  M  +  X is spontaneous reaction.
 
The cell reaction is,
 
X  +  e → X 
 
M  →  M+ +   e
 
Overall reaction is,
 
X +  M →  M+ +   X 
 
By using Nernst Equation,
 
straight E space equals space straight E to the power of ring operator space straight X over straight X to the power of minus space minus space straight E to the power of ring operator space straight M to the power of plus over straight M

space space space space equals 0.33 space minus space 0.44

space space space space equals 0.11 space straight V
 
We know that,
 
ΔG = −nFE
 
When value of ΔG  is negative, the reaction is spontaneous.
 
Here, E = 0.11 V
 
ΔG = −nF × 0.11
 
Which will be negative value
 
So the it is spontaneous reaction.
Answered by Varsha | 29 Aug, 2019, 06:01: PM
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