For the dissociation of ${MgCO}_{3} as {MgCO}_{3} (s) ⇌ MgO (s) + {CO}_{2} (g)$
Identify the correct option regarding extent of dissociation of ${MgCO}_{3}$ .

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Extent of dissociation at equilibrium will increase if equilibrium is attained at the same temperature in a container of lesser volume.

Extent of dissociation of ${MgCO}_{3}$ will increase if taken in a larger container.

As temperature is increased, extent of dissociation decreases.

Extent of dissociation will remain unchanged on changing volume of the container

answer is C.

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Detailed Solution

If equilibrium is reached at the same temperature in a smaller container, the extent of dissociation will rise. If ingested in a larger container, $" {MgCO}_{3} "$ will dissociate to a greater extent. Changes in container volume have no effect on the extent of separation.

As $V ↑$ more ${CO}_{2}$ is formed. thus, increasing dissociation of ${MgCO}_{3}$

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