D-And F-Block Elements Ques 343

Question: Which is most reactive metal

[BHU 1979]

Options:

A) $ Fe $

B) $ Pt $

C) $ Ni $

D) $ Co $

Show Answer

Answer:

Correct Answer: A

Solution:

$ Fe $ Because it easily gets oxidized in moist air.

$ Fe,\underset{H_2O/{{H}^{+}}}{\mathop{\xrightarrow{\text{air }}}}\underset{Rust}{\mathop{Fe_2O_3.x,H_2O}}, $



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