Question

3 5. The bond angle in NF,(102.3°) is smaller than NH3 (107.2°). This is because of (a)large size of F compared to H 2. (b)large size of N compared to F (c)opposite polarity of N in the two molecules (d) small size of H compared to N​

Answer 1

Answer:

correct option (C)

Explanation:

In NF3 , N is less electronegative as compared to F but in NH3, it is more electronegative than H. And in case of same central atom, as the electronegativity of other atoms increases, bond angle decreases. Thus, bond angle in NF3 is smaller than that in NH3 because of the difference in the polarity of N in these molecules.

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