Organic Chemistry – Some Basic Principles and Techniques

Question 1
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How many types of hybridisations occur in a carbon atom?

Solution

Carbon undergoes three types of hybridisations:
(i) sp3 in saturated compounds,
(ii) sp2 in all unsaturated compounds containing a double bond,
(iii) sp in all unsaturated compounds containing a triple bond.

Question 2
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What are homocyclic or carbocyclic compounds?

Solution
Cyclic compounds whose rings are made up of only one kind of atoms i.e. carbon atoms are called homocyclic or carbocyclic compounds.
Question 3
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What are aromatic compounds?

Solution
Organic compounds containing one or more fused or isolated benzene rings and their functionalised derivatives are called aromatic compounds or benzenoids.
Question 4
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What are heterocyclic compounds?

Solution
Cyclic compounds containing one or more hetero atoms (usually O, N, S etc.) are called heterocyclic compounds.

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