NEET 2019 · ChemistryPrevious Year Question

The number of moles of hydrogen molecules required to produce 20 moles of ammonia through the Haber process is

Answer: (C) 30. \textbf{Answer:} (C) 30 \textbf{Solution:} $N X_{2} + 3 H X_{2} 2 NH X_{3}$ From the balanced equation, 2 mol $NH X_{3}$ require 3 mol $H X_{2}$ .

A.10
B.20
C.30✓
D.40

Correct Answer

Solution & Explanation

\textbf{Answer:} (C) 30 \textbf{Solution:} $N X_{2} + 3 H X_{2} 2 NH X_{3}$ From the balanced equation, 2 mol $NH X_{3}$ require 3 mol $H X_{2}$ . For 20 mol $NH X_{3}$ : moles of $H X_{2}$ $= \frac{3}{2} \times 20 = 30$ mol.

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