JEE Main · 2021 · 20 Jul 2021 · Shift 2 · Hydrogen

The single largest industrial application of dihydrogen is:

(A)Rocket fuel in space research
(B)In the synthesis of nitric acid
(C)In the synthesis of ammonia✓ Correct
(D)Manufacture of metal hydrides

Answer: (C)

Solution

Almost all the dihydrogen manufactured is fed straight into the Haber process,

N_{2} + 3 H_{2} ⇌ 2 N H_{3}

because the ammonia so obtained is the starting point for nitrogenous fertilisers, which are made on a scale far beyond that of rocket propellant or of metal hydrides. Nitric acid consumes no dihydrogen of its own, since it is made by oxidising ammonia that the Haber process has already supplied. The single largest industrial application of dihydrogen is the synthesis of ammonia.

JEE Main · 2021 · 20 Jul 2021 · Shift 2 · Single correct option

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