Q71 / 180 · AIIMS 2004 · Chemistry

Of the following which change will shift the reaction towards the product? $\mathrm{I}_{2(\mathrm{~g})} \rightleftharpoons 2 \mathrm{I}_{(\mathrm{g})}, \Delta H_r^{\circ}(298 \mathrm{~K})=+150 \mathrm{~kJ}$

  • A
    Increase in concentration of $\mathrm{I}$
  • B
    Decrease in concentration of $\mathrm{I}_2$
  • Correct answer
    C
    Increase in temperature
  • D
    Increase in total pressure

Solution

The given reaction is endothermic, so on increasing the temperature, it will shift in forward direction.

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

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