KVPY Sample Paper KVPY Stream-SX Model Paper-13

  • question_answer
    Which of the following reactions produce(s) propane as a major product?

    A)  

    B)

    C)

    D)

    Correct Answer: C , D

    Solution :

    [a] \[\text{C}{{\text{H}}_{3}}-\text{C}{{\text{H}}_{2}}-\text{C}{{\text{H}}_{2}}-\overset{\overset{O}{\mathop{\parallel }}\,}{\mathop{\text{C}}}\,-\text{ON}{{\text{a}}^{+}}\xrightarrow{\text{Electrolysis}}\,n-\text{hexane}\] [b] \[\text{C}{{\text{H}}_{3}}-{{\overset{\overset{\text{Br}}{\mathop{\text{ }\!\!|\!\!\text{ }}}\,}{\mathop{\text{CH}}}\,}_{2}}{{\overset{\overset{\text{Br}}{\mathop{\text{ }\!\!|\!\!\text{ }}}\,}{\mathop{\text{CH}}}\,}_{2}}\xrightarrow[-ZnBr]{Zn}\text{C}{{\text{H}}_{3}}-\text{C}{{\text{H}}_{2}}=\text{C}{{\text{H}}_{2}}\] [c] \[\text{C}{{\text{H}}_{3}}-\text{C}{{\text{H}}_{2}}-\text{C}{{\text{H}}_{2}}-\text{Cl}\xrightarrow{\text{Zn}+\text{HCl}}\text{C}{{\text{H}}_{3}}-\text{C}{{\text{H}}_{2}}-\text{C}{{\text{H}}_{2}}\] [d] \[\text{C}{{\text{H}}_{3}}-\text{C}{{\text{H}}_{2}}-\text{C}{{\text{H}}_{2}}-\text{CO}{{\text{O}}^{-\,}}\text{N}{{\text{a}}^{+}}\xrightarrow{\text{NaOH}+\text{CaO}}\text{CH}-\text{C}{{\text{H}}_{2}}-\text{C}{{\text{H}}_{3}}\]

    Solution :

    Same as above


You need to login to perform this action.
You will be redirected in 3 sec spinner