RAJASTHAN PMT Rajasthan - PMT Solved Paper-1996

  • question_answer
    How many \[\sigma \] bond and \[\pi \] bond has this structures? \[C{{H}_{3}}-C{{H}_{2}}-C{{H}_{2}}-\underset{CH-C{{H}_{3}}}{\mathop{\underset{||}{\mathop{C}}\,}}\,H\]

    A)  \[5\sigma ,\,1\pi \]                                        

    B)                         \[17\sigma ,\,1\sigma \]                              

    C)                         \[17\sigma ,\,1\pi \]                      

    D)                         \[1\sigma ,\,5\pi \]

    Correct Answer: C

    Solution :

    \[H\overset{\sigma }{\mathop{-}}\,\overset{H}{\mathop{\overset{|\sigma }{\mathop{\underset{H}{\mathop{\underset{|\sigma }{\mathop{C}}\,}}\,}}\,}}\,\overset{\sigma }{\mathop{-}}\,\overset{H}{\mathop{\overset{|\sigma }{\mathop{\underset{H}{\mathop{\underset{|\sigma }{\mathop{C}}\,}}\,}}\,}}\,\overset{\sigma }{\mathop{-}}\,\overset{H}{\mathop{\overset{|\sigma }{\mathop{\underset{H}{\mathop{\underset{|\sigma }{\mathop{C}}\,}}\,}}\,}}\,\overset{\sigma }{\mathop{-}}\,\overset{H}{\mathop{\overset{|\sigma }{\mathop{C}}\,}}\,\overset{\sigma }{\mathop{=}}\,\overset{H}{\mathop{\overset{|\sigma }{\mathop{\underset{H}{\mathop{\underset{|\sigma }{\mathop{C}}\,}}\,}}\,}}\,\underset{\sigma }{\mathop{-}}\,H\] \[17\sigma ,1\pi \]  bonds are present


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