DUMET Medical DUMET Medical Solved Paper-2010

  • question_answer
    Which of the following statements is not correct?

    A)  Aldehydes and ketones undergo micleophilic additions

    B)  Aldehydes and ketones undergo olectrophilic substitutions

    C)  Aldehydes and betones contain polar carbonyl groups

    D)  Lower members of aldehydes and ketones are soluble in water due to hydrogen bonding               

    Correct Answer: B

    Solution :

    Electrophilic substitution takes place when both the leaving and attacking groups are electrophiles. Such reactions are usually given by benzene and its derivatives. Aldehydes and ketones do not give electrophilic substitutions. While all others are the characteristics of aldehydes and ketones.


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