A) 3
B) 4
C) 5
D) 6
Correct Answer: B
Solution :
Four isomeric primary amines are obtained from\[{{C}_{4}}{{H}_{11}}\]are possible. (i)\[C{{H}_{3}}C{{H}_{2}}C{{H}_{2}}N{{H}_{2}}\] (ii)\[C{{H}_{3}}-\overset{\begin{smallmatrix} C{{H}_{3}} \\ | \end{smallmatrix}}{\mathop{CH}}\,-N{{H}_{2}}-N{{H}_{2}}\] (iii) \[C{{H}_{3}}-\overset{\begin{smallmatrix} C{{H}_{3}} \\ | \end{smallmatrix}}{\mathop{\underset{\begin{smallmatrix} | \\ C{{H}_{3}} \end{smallmatrix}}{\mathop{CH}}\,}}\,-N{{H}_{2}}\] (iv)\[CH_{3}^{-}-CH_{2}^{-}-\overset{\begin{smallmatrix} N{{H}_{2}} \\ | \end{smallmatrix}}{\mathop{CH}}\,-C{{H}_{3}}\]
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