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 $