Assertion :An exothermic process, non-spontaneous at high temperature, may become spontaneous at low temperature. Reason: With decrease in temperature, randomness (entropy) decrease.

Both Assertion and Reason are correct and Reason is the correct explanation for Assertion

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Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion

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Assertion is correct but Reason is incorrect

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Both Assertion and Reason are incorrect

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Solution

The correct option is B Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion
A process is spontaneous at high temperatures and nonspontaneous at low temperatures. Both ΔH and ΔS are negative. This condition describes an exothermic process that involves a decrease in system entropy. In this case, ΔG will be negative if the magnitude of the TΔS term is less than ΔH.

$Option B is correct.$

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Similar questions

Assertion – The non-fusible impurities present in iron ore are removed by $C a C O_{3}$ .

Reason: $C a C O_{3}$ which decomposes into $C a O$ and $C O_{2}$ . The $C a O$ formed reacts with $S i O_{2}$ to remove silica

H_{2}

H e

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

H_{2}

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p H

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O H^{-}

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