Q2. Which of the following statements concerning entropy is/are C ORRECT? 1. 2.

Question

Q2. Which of the following statements concerning entropy is/are C ORRECT? 1. 2. 3. The entropy of a substance decreases when converted from a liquid to a gas. The entropy of a substance decreases as its temperature increases. Negative entropy values cannot exist. a. only b. 2 only c. 3 only d. 1 and 2 e. 1, 2, and 3 which of the following linear chain alcohols is likely to have the highest standard entropy in the liquid state? Q3, CHOH b. CH CH2OH c. CHaCH2CH2OH d. CH CH CH CH OH e. CH,CH2CH2CH CH2OH

Explanation / Answer

2) The entropy of a substance increases when converting from liquid to gas.

As temperature increases the entropy of the system increases and the negative entropy will not exists.

Therefore only third statement is correct.

So option c is correct.

3) The entropy is the degree of randomness.

So as the molarmass is low it is having more disorderness.

Therefore CH3OH is having lower molarmass is having more entropy.

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