NEET AIPMT SOLVED PAPER 2001

  • question_answer
                      Which one of the following is correct?                                                                                                   

    A)                 On reduction of any aldehyde gives secondary alcohol

    B)                 Reaction of vegetable oil with \[{{H}_{2}}S{{O}_{4}}\] gives glycerin

    C)                 Alcoholic iodine with NaOH gives iodoform

    D)                 Sucrose on reaction with \[NaCl\] gives invert sugar

    Correct Answer: C

    Solution :

                    \[\begin{align}   & {{C}_{2}}{{H}_{5}}OH+4{{I}_{2}}+6NaOH\xrightarrow[{}]{{}}\underset{Iodoform}{\mathop{CH{{I}_{3}}\downarrow }}\, \\  & \,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,+\,HCOONa+5NaI+5{{H}_{2}}O \\ \end{align}\]


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