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Boyle's Law

A graph is pl...

Question

A graph is plotted between pressure and volume at different temperature. On the basis of the graph what changes will you observe in the volume if
(i) The pressure is increased at constant temperature.
(ii) The temperature is decreased at constant pressure.

A

Volume increase in both the cases

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B

Volume decrease in both the cases

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C

Volume increase in (i) and decrease in (ii)

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D

Volume decrease in (i) and increase in (ii)

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Solution

The correct option is D Volume decrease in both the cases
Volume decrease when pressure is increased at constant temperature. When temperature is decreased at constant pressure, the volume decreases.

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Consider the following statements:

(I) An increase in pressure (caused by decrease in volume) at equilibrium results in increase in molar concentration of each gaseous substance involved.

(II) An increase in pressure (caused by decrease in volume) at equilibrium results in increase in no. of moles of each gaseous substance involved.

(III) For the reaction

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H_{2} O (l) ⇌ H_{2} O (g)

on temperature increase,

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