Q.

Which of the following organic compounds has same hybridization as its combustion product (CO2)                  [2014]

1 Ethane  
2 Ethyne  
3 Ethene  
4 Ethanol  

Ans.

(2)

C2H2+52O22CO2+H2O

Both ethyne and CO2 have sp-hybridisation.

               O=Csp=O              HCspCspH