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Nilanjan Bhowmick AIR 3, CSIR NET (Earth Science)
Zaheer Abass posted an Question
March 30, 2022 • 23:00 pm
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30 points
30 points
- CSIR NET
- Chemical Sciences
Assertion (a): the bond angle in nf is less than that in nh. reason (r) : the high electronegativity of f pulls the bonding electrons in nf further away from n
Assertion (A): The bond angle in NF is less than that in NH. Reason (R) : The high electronegativity of F pulls the bonding electrons in NF further away from N andagreater distortion is caused. (A) Both A and R are true and R is the correct explanation of A (B) Both A and Rare true but R is not the correct explanation of A (C) A is true but R is false (D) A is false but R is true
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Lingareddy 1![best-answer]()
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.