Q.

Based on Lechatelier's principle, false statement among the following is

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a

Pressure change does not influence formation of NO from its elements

b

Addition of Ar gas at constant volume favours formation of HI from its elements

c

Low temperature favours the formation of NH3 from its elements

d

High temperature favours decomposition of PCl5 into its elements

answer is B.

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Detailed Solution

Addition of inert gas at constant volume has no influence on equilibrium state.(2)…false;(1)….∆n=0,no effect of pressure;(3)…exothermic…favoured at low T;(4)…endothermic….favoured at high T;
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