Select that pairs in which bond angle of first member is higher than second one.
Select that pairs in which bond angle of first member is higher than second one.
A. `BrO_3^(-), CrO_3^(-)`
B. `Asl_3, Sbl_3`
C. `SbBr_3, SbI_3`
D. `NF_3, NH_3`
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Correct Answer - B
(A)The bond angle decreases with decrease in electronegativies and increase in size of central atom. Hence the correct order of O-X-O bond angle is `CiO_3^(-) gt BrO_3^(-)`
`{:(,CIO_3^(-),107^(@),BrO_3^(-),104^@),((B),AsI_3,100.2^@ ,Sbl_3,90^@),(( C),SbBr_3,98.2^@,Sbl_3,99^@),((D),NH_3 , 106.6^@ ,NF_3,102.2^@):}`
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