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Question: Number of isomeric primary amines obtained from \(C_{4}H_{11}N\) are...

Number of isomeric primary amines obtained from C4H11NC_{4}H_{11}N are

A

3

B

4

C

5

D

6

Answer

4

Explanation

Solution

Four 1o1^{o} amines are possible

CH3CH2CH2CH2NH2,(CH3)2CHCH2NH2\mathbf{C}\mathbf{H}_{\mathbf{3}}\mathbf{C}\mathbf{H}_{\mathbf{2}}\mathbf{C}\mathbf{H}_{\mathbf{2}}\mathbf{C}\mathbf{H}_{\mathbf{2}}\mathbf{N}\mathbf{H}_{\mathbf{2}}\mathbf{,(C}\mathbf{H}_{\mathbf{3}}\mathbf{)}_{\mathbf{2}}\mathbf{CHC}\mathbf{H}_{\mathbf{2}}\mathbf{N}\mathbf{H}_{\mathbf{2}},

CH3CH(NH2)CH2CH3,(CH3)3CNH2\mathbf{C}\mathbf{H}_{\mathbf{3}}\mathbf{CH(N}\mathbf{H}_{\mathbf{2}}\mathbf{)C}\mathbf{H}_{\mathbf{2}}\mathbf{C}\mathbf{H}_{\mathbf{3}}\mathbf{,(C}\mathbf{H}_{\mathbf{3}}\mathbf{)}_{\mathbf{3}}\mathbf{CN}\mathbf{H}_{\mathbf{2}}