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Question

Question: Which is most reactive metal....

Which is most reactive metal.

A

FeFe

B

PtPt

C

NiNi

D

CoCo

Answer

FeFe

Explanation

Solution

FeFe because it easily gets oxidised in moist air.

Fe→air H2O⥂/⥂H+Fe2O3.xH2ORustFe\underset{H_{2}O ⥂ / ⥂ H^{+}}{\overset{\quad\text{air }\quad}{\rightarrow}}\underset{\text{Rust}}{Fe_{2}O_{3}.xH_{2}O}