On complete combustion of ethane to its products, the hybridization of carbon :
A
Remains the same.
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B
Changes from sp2 to sp3
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C
Changes from sp3 to sp2
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D
Changes from sp3 to sp
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Solution
The correct option is D Changes from sp3 to sp Complete combustion : The process of heating a substance in the presence of sufficient air/O2 The substance is completely oxidized to CO2 and H2O accompanied by evolution of a large amount of heat.
The general reaction for complete combustion is : CnH2n+2+3n+12O2⟶nCO2+(n+1)H2O+Heat
Combustion reaction of ethane : CH3−CH3+72O2⟶2CO2+3H2O+Heat Hybridization of carbon in ethane is sp3 Hybridization of carbon in CO2 is sp Hence (d) is correct