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 $