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Question

H2O is dipolar, whereas BeF2 is not. It is because:

A
H2O involves hydrogen bonding whereas BeF2 is a discrete molecule
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B
H2O is linear and BeF2 is angular
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C
H2O is angular and BeF2 is linear
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D
the electronegativity of F is greater than that of O
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Solution

The correct option is D H2O is angular and BeF2 is linear
Let us see the structure of both BeF2 & H2O before we conclude the answer.
The Bent structure is also called Angular sometimes. Even though both the molecules have the same no. of atoms; H2O arranges itself into an angular geometry; Hence the dipole moments cant cancel each other; Unlike in case of BeF2
Correct answer -option C-H2O is angular and BeF2 is linear, due to which the former is dipolar and whereas the latter is not.

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