Question

What are the types of Nucleophilic substitution reaction? Explain its.

Answer 1

Two types of Nucleophilic substitution reactions:

SN1	SN2
1. Substitution in which rate of reaction depends on conc. of only one of the reactant.	1. Substitution reaction in which the rate of reaction depends on conc. of two reactants.
2. Tertiary halide shows such type of reaction.	2. Primary halide shows such type of reaction.
3. Carbocation is formed as intermediate.	3. A trigonal bipyramidal geometry is obtained as transition state.
4. Favored by polar protic solvents.	4. Favored by polar solvents.
5. Racemization occurs.	5. Inversion of configuration occurs.