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(i) What is a functional group? (ii) State two properties of carbon which lead to huge number of carbon compounds we see around us.

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SOLUTION :(i) Functional group is an atom or a group of atoms in a carbon compound that GIVES the molecule its characteristic physical and CHEMICAL properties. It is the site of reactivity in an organic compound.
For example -
(i) Alcohol is - OH
(ii) Carboxylic acid is - COOH.
(ii) Two properties of carbon which lead to huge NUMBER of carbon compounds we see around us are -
(a) Catenation, (b) Tetravalency


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