Hydrogen And Its Compounds Question 140
Question: Which of the following reaction produces hydrogen
[AIIMS 2002]
Options:
A) $ Mg+H_2O $
B) $ BaO_2+HCl $
C) $ H_2S_4O_8+H_2O $
D) $ Na_2O_2+2HCl $
Show Answer
Answer:
Correct Answer: A
Solution:
$ Mg+2H_2O\to Mg{{(OH)}_2}+H_2\uparrow $