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Haryana PMT Haryana PMT Solved Paper-2004

  • question_answer
    Benzoic acid dissolved in benzene shows a molecular weight of:

    A)  \[61\]                                  

    B)  \[244\]

    C)  \[366\]                                

    D)  \[122\]

    Correct Answer: B

    Solution :

                    Benzoic acid dimerises in benzene. Mol. wt. of benzoic acid \[=78+12+32=122\] Hence, molecular weight of benzoic acid in benzene is                 \[=122+122=244\]


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