Hydrogen And Its Compounds Question 68
Question: Pure hydrogen is obtained by carrying electrolysis of
Options:
A) Water containing $ H_2SO_4 $
B) Water containing NaOH
C) $ Ba{{(OH)}_2} $ solution
D) KOH solution
Show Answer
Answer:
Correct Answer: C
Solution:
Pure hydrogen is obtained by the electrolysis of $ Ba{{(OH)}_2} $ solution in a U-tube using nickel electrode. The gas is liberated at the cathode and is passed over heated platinum gauze to remove oxygen if present as impurity.