Assertion: A liquid-gas mixture is separated by boiling.

Reason: The solubility of a gas in a liquid decreases with increase in temperature.

Assertion and reason are correct, and reason is the correct explanation of assertion.

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Assertion and reason are correct, but reason is not the correct explanation of assertion.

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Assertion is correct, but reason is incorrect.

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Assertion is incorrect, but reason is correct.

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Solution

The correct option is D
Assertion is incorrect, but reason is correct.

The solubility of a gas in a liquid decreases with increase in temperature. Separation of a gas from the liquid is not possible by boiling because the liquid's vapour will also be present with the gas collected (after separation). Therefore, the assertion is incorrect.

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Similar questions

Assertion (A) Order of the reaction can be zero or fractional.

Reason (R) We cannot determine order from balanced chemical equation.

(a) Both assertion and reason are correct and the reason is correct explanation of assertion
(b) Both assertion and reason are correct, but reason does not explain assertion.
(c) Assertion is correct, but reason is incorrect
(d) Both assertion and reason are incorrect
(e) Assertion is incorrect but reason is correct.

Assertion (A) Order and molecularity are same.

Reason (R) Order is determined experimentally and molecularity is the sum of the stoichimetric coeffcient of rate determining elementary step.

Q. Assertion: The compressibility factor for

H_{2}

and

H e

(1 + \frac{P b}{R T})

Reason: The compressibility factor for

H_{2}

and

H e

can be derived from Van der Waal's equation.

Assertion (A) Boiling points of alcohols and ethers are high.
Reason (R) They can form intermolecular hydrogen-bonding.
(a) Assertion and reason both are correct and reason is correct explanation of assertion.
(b) Assertion and reason both are wrong statements.
(c) Assertion is correct statement but reason is wrong statement.
(d) Assertion is wrong statement but reason is correct statement.
(e) Both assertion and reason are correct statements but reason is not correct explanation of assertion.

Assertion (A) All collision of reactant molecules lead to product formation.

Reason (R) Only those collisions in which molecules have correct orientation and sufficient kinetic energy lead to compound formation.

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Assertion: A liquid-gas mixture is separated by boiling. Reason: The solubility of a gas in a liquid decreases with increase in temperature.

Assertion: A liquid-gas mixture is separated by boiling.

Reason: The solubility of a gas in a liquid decreases with increase in temperature.