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Chemistry-Ionic Bond

NEET Chemistry Ionic Bond MCQ Question

Type: MCQ-diagram based-Medium-Class 11

Consider a diagram showing two linear molecules. The first is BeF2 with two equal bond dipoles pointing in opposite directions, and the second is BF3 with three bond moments oriented at 120° to each other. What is the net dipole moment of these molecules?

Question diagram
A

Both have a net dipole moment of zero.

B

BeF2 has a net dipole moment, but BF3 does not.

C

BF3 has a net dipole moment, but BeF2 does not.

D

Both have a net dipole moment greater than zero.

Correct Answer

Option A

Detailed Explanation

Both BeF2 and BF3 have a net dipole moment of zero due to their symmetrical shape, which results in the cancellation of individual bond dipoles.

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