MCQ
Which of the following is the weakest reducing agent
  • A
    $Zn$
  • $Cu$
  • C
    ${H_2}$
  • D
    $Li$

Answer

Correct option: B.
$Cu$
b
(b) $Cu$  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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