D-And F-Block Elements Ques 355

Question: Which of the following is the weakest reducing agent

Options:

A) $ Zn $

B) $ Cu $

C) $ H_2 $

D) $ Li $

Show Answer

Answer:

Correct Answer: B

Solution:

Cu as it comes after H in electrochemical series.

It has positive standard reduction potential thus does not provide electrons for reduction.



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