Redox Reactions And Electrochemistry Ques 616

Question: A concentration cell is a galvanic cell in which

Options:

A) decrease in free energy in a spontaneous chemical process appears as electrical energy

B) decrease in free energy in a spontaneous physical process appears as electrical energy

C) decrease in free energy in a spontaneous physical or chemical process appears as electrical energy

D) a non-spontaneous physical or chemical process produces electrical energy.

Show Answer

Answer:

Correct Answer: B

Solution:

[b] In concentration cell the spontaneous process is physical in nature involving transfer of matter from higher concentration to lower concentration in indirect manner.



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