(A) cis 3-chloroprop-2-enoic acid is less stable than its trans-form.
(R) The dipole moment of cis-form is greater than transform

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(A) is true but (R) is false

Both (A) and (R) are true but (R) is not the correct explanation of (A)

Both (A) and (R) are true and (R) is the correct explanation of (A)

Both (A) and (R) are false

answer is B.

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Detailed Solution

The assertion is correct since trans-isomers are often more stable for acrylic systems than cis-isomers. The greater unfavorable steric interaction of the substituents in the cis-isomer is to blame for this. Reason also holds true because cis-forms are polar in nature and have a certain value of dipole moment, but trans-forms often have a dipole moment of zero depending on whether the substituents on both sides of a double bond are the same or not.

Hence, Option B is correct

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