Hydrogen And Its Compounds Question 167
Question: An element reacts with hydrogen to form a compound A which on treatment with water liberates hydrogen gas. The element can be
Options:
A) Nitrogen
B) Chlorine
C) Selenium
D) Calcium
Show Answer
Answer:
Correct Answer: D
Solution:
$ Ca+H_2\to CaH_2\xrightarrow{2H_2O}Ca{{(OH)}_2}+2H_2 $
BETA
