chapter 4 carbon and its compound dec 2015 | Page 8

4.

SUBSTITUTION REACTION :

In saturated hydrocarbons, the hydrogen attached to carbon can be replaced by
another atom or group of atoms in presence of sunlight.
CH4 + Cl2 → CH3Cl + HCl (sunlight required)
IMPORTANT CARBON COMPOUNDS : Ethanol and Ethanoic Acid
Ethanol :

*Consumption of dilute ethanol causes serious health issues and intake of pure
alcohol is lethal.
CHEMICAL PROPERTIES OF ETHANOL
C2H5OH Reacts with Sodium
to from Sodium Ethoxide and
Hydrogen

When C 2 H 5 OH is Heated with
Concentrated Sulphuric Acid at 443
k, It is Dehydrated to Ethene

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