Question

Highest dipole moment is present in ______

• A. 2, 2 - dimethyl propane
• B. trans - 2 - pentene
• C. Cis 3 - hexene
• D. 2, 2, 3, 3 - tetramethyl butane

Answer 1

The correct option is C

Cis 3 - hexene

Option A $\Rightarrow$

Symmetrical molecule with only single bonds, thus, no dipole moment

Option D $\Rightarrow$

Symmetrical molecule with only single bond

Thus, no dipole moment

Option C $\Rightarrow$

Option B $\Rightarrow$

In trans-2-pentene, because of opposing dipole moments, the net moment is less.

Thus Option C is the right answer.