Assertion : Dipole moment of $N H_{3}$ is greater than that of $N H_{3}$ .
Reason: Nitrogen is more electronegative than fluorine.

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Both assertion and reason are true and reason is the correct explanation of assertion

Both assertion and reason are false

Assertion is true and reason is false

Both assertion and reason are true but reason is not correct explanation of assertion

answer is C.

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Detailed Solution

Hence, the H & N- F bond has higher polarity than bonds denoting N-H. It is estimated that the dipole of NH₃ will be 1.46 D, while NF₃ will be measured as 0.24D at the same time. Thereby NF₃ will have a high dipole when compared to NH₃.

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