NEET Chemistry Aldehydes, Ketones Question Bank Self Evaluation Test - Aldehydes, Ketons and Carboxylic Acids

  • question_answer
    What is X in the following conversion?

    A) \[{{K}_{2}}C{{r}_{2}}{{O}_{7}},{{H}_{2}}S{{O}_{4}}/{{H}_{2}}O\]

    B) \[HI{{O}_{4}}\]

    C) \[PCC/C{{H}_{2}}C{{l}_{2}}\]

    D) \[Os{{O}_{4}},{{\left( C{{H}_{3}} \right)}_{3}}C.COOH,{{\left( C{{H}_{3}} \right)}_{3}}COH,O{{H}^{-}}\]

    Correct Answer: C

    Solution :

    [c] Pyridinium chloro chromate selectively oxidises a primary alcohol to an aldehyde e.g. \[RC{{H}_{2}}OH\xrightarrow[C{{H}_{2}}C{{l}_{2}}]{PCC}RCHO\]


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