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Q.

Which isomer of $C_{4} H_{8}$ has the lowest absolute entropy at 25° C?

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a

1-butene

b

cis-2-butene

c

trans-2-butene

d

cyclobutane

answer is B.

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Detailed Solution

The isomer of $C_{4} H_{8}$ which has the lowest absolute entropy at 25° C is cis-2-butene compare to other given isomers.

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Which isomer of C4H8 has the lowest absolute entropy at 25° C?