For which one of the following reactions is $K_p = K_c$?

  • A
    $N_2(g) + 3H_2(g) \rightleftharpoons 2NH_3(g)$
  • B
    $N_2(g) + O_2(g) \rightleftharpoons 2NO(g)$
  • C
    $PCl_5(g) \rightleftharpoons PCl_3(g) + Cl_2(g)$
  • D
    $2SO_3(g) \rightleftharpoons 2SO_2(g) + O_2(g)$

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For the reaction: $H_{2(g)} + CO_{2(g)} \rightleftharpoons CO_{(g)} + H_2O_{(g)}$,if the initial concentration of $[H_2] = [CO_2] = 1 \ M$ and $x \ mol/L$ of hydrogen is consumed at equilibrium,the correct expression for $K_c$ is:

In which of the following reactions is ${K_p} > {K_c}$?

The following equilibrium is established at $STP$. $B_{2(g)} \rightleftharpoons 2B_{(g)}$. Atoms of $B$ occupy $20 \%$ of total volume at $STP$. The total pressure of the system is $1 \ bar$. What is its $K_p$?

$8 \ mol$ of $AB_3$ is taken in a $1.0 \ dm^3$ container. It dissociates according to the reaction $2AB_{3(g)} \rightleftharpoons A_{2(g)} + 3B_{2(g)}$. If $2 \ mol$ of $A_2$ are present at equilibrium,the equilibrium constant $K_c$ of the reaction is ....... $mol^2 \ L^{-2}$.

Given below are certain reactions. Identify the reaction for which $K_p = K_c$.

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