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Question

What is the correct dipole moment of NH3 and NF3 respectively?

A
4.90×1030 cm and 0.80×1030 cm
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B
0.80×1030 cm and 4.90×1030 cm
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C
4.90×1030 cm and 4.90×1030 cm
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D
0.80×1030 cm and 0.80×1030 cm
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Solution

The correct option is A 4.90×1030 cm and 0.80×1030 cm
1Debye=1018esucm
As shown in the image all the vectors in NH3 are in the same direction and in opposite direction in the case of NF3.
so the resultant dipole moment will be more for NH3.
The correct option is [A]

911929_925733_ans_403b0512fd9f42e18442a59c22bbe81a.PNG

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