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6.1. Equilibrium - 1 (chemical Equilibrium) — Chemistry STD 11 Science — Question

Gujarat BoardEnglish MediumSTD 11 ScienceChemistry6.1. Equilibrium - 1 (chemical Equilibrium)1 Mark
MCQ
Which of the following reactions proceed at low pressure
  • A
    ${N_2} + 3{H_2}$ $ \rightleftharpoons $ $2N{H_3}$
  • B
    ${H_2} + {I_2}$ $ \rightleftharpoons $ $2HI$
  • ✓
    $PC{l_5}$ $ \rightleftharpoons $ $PC{l_3} + C{l_2}$
  • D
    ${N_2} + {O_2}$ $ \rightleftharpoons $ $2NO$
✓

Answer

Correct option: C.
$PC{l_5}$ $ \rightleftharpoons $ $PC{l_3} + C{l_2}$
(c) At low pressure, reaction proceeds where volume is increasing. This is the favourable condition for the reaction.

$PC{l_5}$ $ \rightleftharpoons $ $PC{l_3} + C{l_2}$.

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