1.

Incorrect order of bond angle is :

Answer»

`{:(CF_4, C Cl_4, CBr_4),(ALPHA, beta , gamma ):}`
`angleXCX` angle ` alpha gt beta gt gamma ` (X-halogen ATOM )
`NCl_3 gt PCl_3 gt AaCl_3 `
`angleClMCl` bond angle (M= central atom )

`angle FSO gt angle FSF ` bond angle
`NO^(2+) gt NO_2 gt NO_2^(-)`
` angle ONO ` bond angle

SOLUTION :Bond angle ` alpha = beta= gamma `
(3) In `OSF_2` angle ` O-S-F gt ` Angle F-S-F


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