D-And F-Block Elements Ques 208

Question: Pair of metals which dissolves in $ NaOH $ solution

Options:

A) $ Al,,Cu $

B) $ Zn,,Hg $

C) $ Zn,,Cu $

D) $ Zn,,Al $

Show Answer

Answer:

Correct Answer: D

Solution:

$ Zn+2NaOH\to Na_2ZnO_2+H_2 $

$ 2Al+2NaOH\to 2NaAlO_2 $



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