Given below are two statements : one is labelled as Assertion (A) and the other is labelled as Reason (R). Assertion (A): Cis form of alkene is found to be more polar than the trans form Reason (R): D

Question

Given below are two statements : one is labelled as Assertion (A) and the other is labelled as Reason (R). Assertion (A): Cis form of alkene is found to be more polar than the trans form Reason (R): Dipole moment of trans isomer of 2-butene is zero. In the light of the above statements, choose the correct answer from the options given below :

(A) Both (A) and (R) are true but (R) is NOT the correct explanation of (A)
(B) (A) is true but (R) is false
(C) Both (A) and (R) are true and (R) is the correct explanation of (A)
(D) (A) is false but (R) is true

Prashant Kotian · Accepted Answer

Correct answer: C. Dipole moment is a vector quantity and for compound net dipole moment is the vector sum of all dipoles hence dipole moment of cis form is greater than trans form. : C = C CH3 H CH3 H Cis ( > 0) > C = C H CH3 CH3 H trans ( = 0)

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