In the organic compound CH2 = CH – CH2 – CH2– C CH, the pair of hydridised orbitals involved in the formation of: C2 – C3 bond is:

(a) sp – sp2 (b) sp – sp3


(c) sp2– sp3 (d) sp3 sp3


Correct option is (b)


C6H2 = C5H – C4H2 – C3H2– C2 C1H


In the given organic compound, the carbon atoms are numbered as 1,2,3,4,5,6 are sp,sp3,sp3,sp2,sp2 hybridised respectively. Thus the pair of hybridised orbitals in the formaytion of C2 – C3 bond is: sp – sp3.


(for simplicity for calculating hybridisation: double bond is count as 1, single bond is count as 1 and triple bond is count as 1)


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