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MGIMS WARDHA MGIMS WARDHA Solved Paper-2015

  • question_answer
    A compound is soluble in cone.\[{{H}_{2}}S{{O}_{4}}\].It does not decolourise bromine in\[CC{{l}_{4}}\]but in oxidized by chromic anhydride in aqueous \[{{H}_{2}}S{{O}_{4}}\]whit 2s, turning orange solution to blue green, afterward opaque. The original solution contains

    A)  a primary alcohol            

    B)  a secondary alcohol

    C)  a tertiary alcohol    

    D)  an ether

    Correct Answer: A

    Solution :

                    The given compounds is soluble in\[{{H}_{2}}S{{O}_{4}},\]the compound should be either alcohol or ether. It does not decolourise bromine, which shows that compound does not contain double bond. ompounds is oxidised by chromic anhydride in aqueous\[{{H}_{2}}S{{O}_{4}},\] i.e. compound does not contain ether group. As the oxidation is very fast, the compound (alcohol) may be a primary alcohol.


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