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For the following molecules : PCl(5), ...

For the following molecules :
`PCl_(5), BrF_(3), IC l_(2)^(-), XeF_(5)^(-),NO_(3)^(-),XeO_(2)F_(2),PCl_(4)^(+),CH_(3)^(+)`
Calculate the value of `(a+b)/(c )`
a = Number of species having `sp^(3)` d-hybridisation
b= Number of species which are planar
c= Number of species which are non-planar

A

2

B

4

C

3

D

5

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