KEAM 2022 Physics and Chemistry Solved Paper

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Question : 85 of 120

Marks: +1, -0

Some of the reactions and their equilibrium constants Kc are given. Choose the reaction which proceeds rarely at the given temperature.

2H2(g)+O2(g)⇌2H2O(g);Kc=2.4×1047 at 500K
H2(g)+l2(g)⇌2‌Hl(g);Kc=57.0 at 700K
H2(g)+Cl2(g)⇌2‌HCl(g);Kc=4.0×1031 at 300K
N2(g)+O2(g)⇌2‌NO(g);Kc=4.8×10−31 at 298K
H2(g)+Br2(g)⇌2‌HBr(g);Kc=5.4×1018 at 300K

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