Central atom may exhibit `sp^(3)` hybridisation in how many of the following species:
(a)`CO_(2)` , (b)Graphite , ( c)Diamond , (d)`CO`
(e)`H_(3)BO_(3) (aq)` , (f)Zeolites `(Si`-central) , (g)Silicones `(Si)`
(h)Chlorosilane `(Si)`
(i)Borax (Boron) , (j) `Al_(2)Cl_(6)` , (k)`B_(2)H_(6)` , (l)`SiO_(2)`
(m)`H_(2)CO_(3)` , (n)`COCl_(2)` , (o)`CH_(4)` , (p)`C Cl_(4)`

Answer

A

Explanation

(a)`CO_(2)toCto sp` , (b)Graphite `to sp^(2)` , ( c)Diamond `to sp^(3)` , (d)`CO`
(e)`H_(3)BO_(3)(aq) to B to sp^(3)` , (f)Zeolite `to Si to sp^(3)`
(g)
(h)Chlorosilane `Cl-undersetunderset(R)(|)oversetoverset(R)(|)(Si)-Cl` or `Cl-undersetunderset(Cl)(|)oversetoverset(R)(|)(Si)-Cl , Cl-undersetunderset(R)(|)oversetoverset(R)(|)Si-R` all are `sp^(3)`
(i)Borax `2`-Borons are `sp^(3)` and `2` Borons are `sp^(2)`
(k)
(l)`B_(2)H_(6)(3`-centre-`2`-electron bond) `B to sp^(3)`
(m)`SiO_(2)(3-D` silicate) `Si to sp^(3)`
(n) , `c=sp^(2)`
(o)`Cl-oversetoverset(O)(||)(C)-Cl , c=sp^(2)`
(p)`CH_(4) sp^(3)`
(q)`C Cl_(4) sp^(3)`