NEET 2010 Chemistry question

The correct order of increasing bond angles in the following species are :

(1)
(2)
(3)
(4)Correct

Answer: (4)

Solution

All three species are bent. The bond angle depends on the number of lone pairs on the central atom and on the repulsion between the terminal atoms. : central Cl has two lone pairs (strong lone pair-bond pair repulsion squeezes the angle): about ($≈

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Question ID VK-090532