11th Class Chemistry Chemical Bonding and Molecular Structure Question Bank 11th CBSE Chemistry Chemical Bonding and Molecular Structure

  • question_answer Account for the following: The experimentally determined \[N-F\] bond length in \[N{{F}_{3}}\] is greater than the sum of the single covalent radii of N and F.

    Answer:

                    This is because both N and F are small and hence have high electron density. So they repel the bond pairs thereby making the N-F bond length larger.


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