S Block Elements Question 134
Question: The metal X is prepared by the electrolysis of fused chloride. It reacts with hydrogen to form a colourless solid from which hydrogen is released on treatment with water. The metal is:
Options:
A) $ Ca $
B) $ Al $
C) $ Zn $
D) $ Cu $
Show Answer
Answer:
Correct Answer: A
Solution:
[a] $ Ca+H_2\xrightarrow{{}}CaH_2+2H_2O $
$ \xrightarrow{{}}Ca{{(OH)}_2}+H_2 $
BETA
