Multiple choice

Which of the following statements regarding hydrogen is wrong?

  1. Hydrogen has three isotopes.

  2. Hydrogen may be prepared by the action of hot 20% NaOH on silicon.

  3. Nascent hydrogen reduces ferric chloride to ferrous chloride.

  4. Hydrogen gas is corrosive in nature.

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

 Hydrogen cannot be prepared by the action of hot 20% NaOH on silicon.