1.

(i) Copper metal dissolves in 1M silver nitrate solution and crystals of silver metal get deposited.                 (ii)           Silver metal does not react with 1 M zinc nitrate solution                 (iii)          Zinc metal dissolves in 1M  copper sulphate solution and copper metal gets deposited                 Hence the order of decreasing strength of the three metals as reducing agents will be

A.                 \[Cu\,>\,Ag\,>\,Zn\]     
B.                  \[Ag\,>\,Cu\,>\,Zn\]
C.                 \[Zn\,>\,Cu\,>\,Ag\]     
D.                 \[Cu\,>\,Zn\,>\,Ag\]
Answer» D.                 \[Cu\,>\,Zn\,>\,Ag\]


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