Paper: CSIR-NET June 2014 · Subject: Inorganic Chemistry · Chapter: Bioinorganic Chemistry · Topic: Bioinorganic Chemistry – General · Marks: 2 · Difficulty: Medium
If an enzyme fixes $\mathrm{N}_{2}$, in plants by evolving $\mathrm{H}_{2}$, the number of electrons and protons associated with that, respectively are
(a)6 and 6
(b)8 and 8
(c)6 and 8
(d)8 and 6
Answer
Answer: B ✓ checked by 4AB · confidence high
Explanation
N₂ + 8H⁺ + 8e⁻ → 2NH₃ + H₂: eight electrons and eight protons per N₂ when one H₂ is evolved.