An organic compound A on heating with concentrated H2 SO4 forms a compound B which on addition of one mole of hydrogen in presence of Ni forms a compound C. One mole of compound C on combustion forms two moles of CO2 and 3 moles of H2O. Identify the compounds A, B and C and write the chemical equations of the reactions involved.


Compound A is Eahnol (CH3CH2OH)

CH3CH2OH in the presence of concentrated H2SO4 to give CH2 =CH2

\(CH_{3}CH_{2}OH \overset{conc. H_{2}SO_{4}}{\rightarrow} CH_{2}-CH_{2} + H_{2}O\)

Compound B is Ethene (CH2= CH2)

\(CH_{2}=CH_{2}\overset{Ni}{\rightarrow} C_{2}H_{6}\)

Compound C is CH3 – CH3

2C2H6 + 7O2 → 4CO2 + 6H2O

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