Q. The oxidation number of hydrogen in metal hydrides is:

  • (A) +1
  • (B) -1
  • (C) 0
  • (D) +2
✅ Correct Answer: (B) -1
Explanation: In metal hydrides such as NaH, hydrogen has an oxidation state of -1.

Published by Jyoti ⭐ 1.79K Points at 15-Jun-2026 01:41 pm in Chemistry

Explanation by: Jyoti
In metal hydrides such as NaH, hydrogen has an oxidation state of -1.

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