Which of the following trihalide is stable? (1) NCl3 (2) NI3 (3) NBr3 (4) NF3

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Which of the following trihalide is stable?

(1) NCl₃ (2) NI₃

(3) NBr₃ (4) NF₃

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NCl₃

NI₃

NBr₃

NF₃

answer is D.

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Detailed Solution

Nitrogen and Fluorine have comparable size, so when NF₃ molecule formed, there is effective overlapping between N and F orbitals compared to other trifluorides of group-15 elements. This is the reason that NF₃ shows high stability.

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