Haryana PMT Haryana PMT Solved Paper-2010

  • question_answer
    How many primary amines are possible for the formulae \[{{C}_{4}}{{H}_{11}}N\]?

    A)  \[1\]                                    

    B)  \[2\]    

    C)  \[3\]                                    

    D)  \[4\]

    Correct Answer: C

    Solution :

                    For the formula \[{{C}_{4}}{{H}_{11}}N\], the possible primary amines are (i) \[C{{H}_{3}}-C{{H}_{2}}-C{{H}_{2}}-C{{H}_{2}}-N{{H}_{2}},\] (ii) \[C{{H}_{3}}-\underset{C{{H}_{3}}}{\mathop{\underset{|}{\mathop{C}}\,}}\,H-C{{H}_{2}}-N{{H}_{2}},\] (iii) \[C{{H}_{3}}-\underset{C{{H}_{3}}}{\mathop{\underset{|}{\mathop{\overset{C{{H}_{3}}}{\mathop{\overset{|}{\mathop{C}}\,}}\,}}\,}}\,-N{{H}_{2}}\] Hence, three primary amines are possible for the formula \[{{C}_{4}}{{H}_{11}}N\].


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