Q35 · CSIR-NET Chemistry, December 2011

Paper: CSIR-NET December 2011 · Subject: Inorganic Chemistry · Chapter: Bioinorganic Chemistry · Topic: Nitrogen Fixation · Marks: 2 · Difficulty: Easy

The reduction of nitrogen to ammonia, carried out by the enzyme nitrogenase, needs,

(a)2 electrons

(b)4 electrons

(c)6 electrons

(d)8 elecrons

Answer

Answer: D ✓ checked by 4AB · confidence high

Explanation

N₂ + 8H⁺ + 8e⁻ + 16ATP → 2NH₃ + H₂: nitrogenase uses eight electrons (six for N₂, two for the obligatory H₂).

Study loop for Bioinorganic Chemistry