Q44 / 180 · COMEDK 2013 · Chemistry

For a reaction, if $K_{P}>K_{C}$, the forward reaction is favoured by

  • Correct answer
    A
    low pressure
  • B
    high pressure
  • C
    high temperature
  • D
    low temperature

Solution

$K_{p}=K_{C}(R T)^{\Delta n}$ If $\Delta n$ is positive than $K_{p}>K_{C}$ also, gaseous moles of product $>$ moles of reactant. $\therefore$ Forward reaction is favoured by low pressure, according to Le-Chatelier's principle.

Hence, the correct answer is option: 'A'.

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