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.
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 – Ethanol (CH3CH2OH)

Reaction Involved:

CH3CH2OH → CH2-CH2+ H2O

Compound B – Ethene (CH2= CH2)

Reaction Involved:

CH2=CH2 →C2H6

Compound C – Ethane (CH3 — CH3)

Reaction Involved:

2C2H6+7O2 4CO2 +6H2O