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NEET 2018
Exam
NEET
Year
2018
Subject
Chemistry
Chapter
Chemical Bonding and Molecular Structure

NEET 2018 · Chemistry · Chemical Bonding and Molecular Structure

In the structure of ClF _ 3 , the number of lone pairs of electrons...

In the structure of ClF3,{ClF}_{3}, the number of lone pairs of electrons on the central atom ClCl isIn the structure of ClF _ 3 , the number of lone pairs of electrons on the central atom Cl is

Options

  1. Afour.
  2. Btwo.
  3. Cone.
  4. Dthree.

Correct answer

B. two.

Step-by-step solution

Number of hybrid orbitals

=12[V.E+M−C+A]= \dfrac{1}{2}\left[V . E + M - C + A\right]

=12[7+3−0+0]=102=5= \dfrac{1}{2}\left[7 + 3 - 0 + 0\right] = \dfrac{10}{2} = 5

There are three side atoms, so, bond pair=3and lone pair=2\text{bond pair} = 3\text{and lone pair} = 2

ClF3=3bp+2lp{ClF}_{3} = 3bp + 2lp

In the structure of ClF _ 3 , the number of lone pairs of electrons on the central atom Cl is

22 lone pair at equatorial position.

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