The number of moles of hydrogen molecules required to produce 20 moles of ammonia through Haber's process is :

1. 10

2. 20

3. 30

4. 40

Doubtly Asked 30 Oct 2026 NEET UG 2019 Practice test neet Save WhatsApp Report

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Answer: 3. 30

\(\mathrm{N_2 + 3H_2 \to 2NH_3}\): 3 mol \(\mathrm{H_2}\) give 2 mol \(\mathrm{NH_3}\).

Moles of \(\mathrm{H_2} = 20\times\dfrac{3}{2} = 30\). Option (3).

Doubtly AI · 30 Oct 2026 AI-generated · not yet verified Report

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