JEE Main 2019 — Chemistry solution

JEE Main2019Chemistry

Consider the reaction

$N_{2} (g) + 3 H_{2} (g) ⇌ 2 N H_{3} (g)$

The equilibrium constant of the above reaction is K_P . If pure ammonia is left to dissociate, the partial pressure of ammonia at equilibrium is given by (Assume that $P_{N H_{3}} << P_{t o t a l}$ at equilibrium)

A
$\frac{K _{P}^{\frac{1}{2}} P ^{2}}{4}$
B
$\frac{3 ^{\frac{3}{2}} K _{P}^{\frac{1}{2}} P ^{2}}{4}$
C
$\frac{K _{P}^{\frac{1}{2}} P ^{2}}{16}$
D
$\frac{3 ^{\frac{1}{2}} K _{P}^{\frac{1}{2}} P ^{2}}{16}$

Solution

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