Per NCERT §9.3.3, the dipole moment of cis-but-2-ene (0.33 D) and trans-but-2-ene (≈ 0 D) shows which form is non-polar?
ABoth polar equally
BNeither polar
CTrans
DCis
Answer & Solution
Correct answer: C. Trans
NCERT §9.3.3: trans has the two methyl groups on opposite sides; their C-CH₃ dipoles cancel. Cis still has net polarity.
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