AFMC AFMC Solved Paper-2005

  • question_answer
    X is heated with soda lime and gives ethane. X is :

    A) ethanoic acid   

    B) methanoic acid

    C)  propanoic acid                 

    D) either (a) or (c)

    Correct Answer: C

    Solution :

    Sodium salt of any carboxylic acid with hot soda lime undergo decarboxylation to form alkane which has one carbon atom less than the parent molecule. \[{{C}_{2}}{{H}_{5}}\xrightarrow[\Delta ]{NaOH/CaO}{{C}_{2}}{{H}_{6}}\uparrow N{{a}_{2}}C{{O}_{3}}\]


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