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Which of the following statement(s) is /...

Which of the following statement`(s)` is `//` are wrong ?

A

The melting point of trans `-` but `-2-`ene is greater than that of the cis `-` isomer due to symmetrical packing in the crystal lattice of the trans `-` form.

B

The boiling point of cis `-` but`-2-`ene is greater than that of the trans `-` isomer due to steric strain in the cis `-` isomer because of van der Waals repulsion force of large group on the same side of the double bond and the cis `-` isomer becomes less stable because of the increasing repulsive foce.

C

The boiling point of the `cis-`isomer is greater than that of the trans`-` isomer due to the relativity high polarity of the cis`-` isomer compared to its trans `-` isomer.

D

The boling point of is greater than that of

Text Solution

Verified by Experts

The correct Answer is:
d.

The statements `(a), (b)`, and `(c)` are explanations in themselves, but statement `(d)` wrong. As `(I)` is a `cis-` compound, so its boiling point should be higher than that of the trans `-` compound `(II)` according to the statements. However, the dipole moment of `(II)gt(I)` and higher diipole moment means more polar and high boiling point.
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