List of top Chemistry Questions on Polarity of bonds

Which of the following has a non-zero dipole moment?

Choose the polar molecule from the following:

Compound A formed in the following reaction reacts with B gives the product C. Find out A and B.\[ \text{CH}_3 - \text{C} \equiv \text{CH} + \text{Na} \xrightarrow{} \text{A}\xrightarrow{B} \text{CH}_3 - \text{C} \equiv \text{C} - \text{CH}_2 - \text{CH}_2 + \text{NaBr}(C)\]

Which one of the following pairs is an example of polar molecular solids ?

Polar stratospheric clouds facilitate the formation of:

The most polar compound among the following is :

Assertion: Trans But-2-ene is less polar than cis But-2-ene
Reason: Trans But-2-ene has zero dipole moment