In which of the following reactions the increase in pressure will favour the increase in products?

N_{2 (g)} + O_{2 (g)} ⇌ 2 N O_{(g)}

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P C l_{3 (g)} + C l_{2 (g)} ⇌ P C l_{5 (g)}

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P C l_{5 (g)} ⇌ P C l_{3 (g)} + C l_{2 (g)}

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2 C O_{2 (g)} ⇌ 2 C O_{(g)} + O_{2 (g)}

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Solution

The correct option is B $P C l_{3 (g)} + C l_{2 (g)} ⇌ P C l_{5 (g)}$
Increase in pressure in the given reactions will favour such a reaction in which no. of moles of gaseous species in reaction is greater than that of product. Because, on application of Le charterlier's principle to such a kind of reaction will shift it towards product side. So,
${P C l}_{3} (g) + {C l}_{2} (g) ⇌ {P C l}_{5} (g)$
The above reaction is favoured.

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Similar questions

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