The molecule having smallest bond angle is :

The molecule having smallest bond angle is :
  1. $\mathrm{NCl}_3$
  2. $\mathrm{AsCl}_3$
  3. $\mathrm{SbCl}_3$
  4. $\mathrm{PCl}_3$

Solution

As the size of central atom increases lone pair bond pair repulsions increases so, bond angle decreases.

Asked in: JEE Main 2012 (Offline)

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