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Why BF3 is non - polar and NF3 is polar ...

Why `BF_3` is non - polar and `NF_3` is polar although `BF_3 and NF_3` both molecules are covalent ?

A

In uncombined state boron is metal and nitrogen is gas

B

B - F bond has no dipole moment whereas N - F bond has dipole moment

C

The size of boron atom is smaller than nitrogen

D

`BF_3` is planar whereas `NF_3` is pyramidal

Text Solution

Verified by Experts

The correct Answer is:
D
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