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The F-Cl-F bond angles in ClF3 are expected to be approximately?90 degrees only109.5 degrees only120 degrees only180 degrees only90 degrees and 120 degrees

Question

The F-Cl-F bond angles in ClF3 are expected to be approximately?

  • 90 degrees only
  • 109.5 degrees only
  • 120 degrees only
  • 180 degrees only
  • 90 degrees and 120 degrees
check_circleAnswer
Step 1

Central atom:

Cl

 

Cl contributes:

7 e

3 x F contibute:

3 e−                             

Total VSE:

10

Total VSEP:

5

Geometry:

T-shaped (based on trigonal-bipyramidal)

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Step 2


ClF3 is in the T shaped molecular geometry.  

  • The lone pairs occupy equatorialpositions on the trigonal bipyramid. This minimises the number of 90° lone-pair:bonding-pair interactions.
  • The equatorial-axial F–Cl–F bond angles are less ...

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Tagged in

Science

Chemistry

Halogen Compounds

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