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Question

What are the products obtained by heating ethane in:
(a) excess of air
(b) absence of air
(c) air in presence of copper and 120 atm pressure.
(d) air with molybdenum oxide at 100 atm pressure.

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Solution

The products obtained by heating ethane in:

(a) excess of air: We get carbon dioxide and water -
2C2H6 + 7O2 excess4CO2 + 6H2O + Heat

(b) absence of air: Ethene and hydrogen gas are obtained -
CH3 - CH3 Heat H2C = CH2 + H2

(c) air in presence of copper and 120 atm pressure: We get ethanol -
2C2H6 + O2 120 atmCu2C2H5OH

(d) air with molybdenum oxide at 100 atm pressure: Ethanal (acetaldehyde) is obtained -
C2H6 + O2 100 atmMoO CH3CHO + H2O

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