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Among the triatomic molecules/ions BeCl(...

Among the triatomic molecules/ions `BeCl_(2),N_(3)^(-),N_(2)O, NO_(2)^(+), O_(3), SCl_(2), lCl_(2)^(-),l_(3)^(-)` and `XeF_(2)`, the total number of linear molecules (s)/ion(s) where the hybridisation of the central atom does not have contribution from the `d`- orbitals (s) is [atomic number of `S=16, Cl=17, I=53` and `Xe=54`]

Text Solution

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The correct Answer is:
4
The linear molecules and their hybridisation are :
`BeCl_(2)(sp), N_(3)^(-)(sp), N_(2)O(sp), NO_(2)^(+)(sp)`
`IC l_(2)^(-)(sp^(3)d), I_(3)^(-), I_(3)^(-)(sp^(3)d), XeF_(2)(sp^(3)d)`
Thus, there are four linear molecules/ions where the hybridisation of central atom does not have the contribution form the d - orbitals.
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