CET Karnataka Medical CET - Karnataka Medical Solved Paper-2008

  • question_answer
    Excess of \[PC{{l}_{5}}\] reacts with cone \[{{H}_{2}}S{{O}_{4}}\] giving

    A)  Chlorosulphonic acid

    B)  Thionyl chloride

    C)  Sulphuryl chloride

    D)  Sulphurous acid

    Correct Answer: C

    Solution :

    \[PC{{l}_{5}}\] reacts with cone \[{{H}_{2}}S{{O}_{4}}\] to give sulphuryl chloride by replacing its hydroxyl groups with chlorine atoms. \[\underset{Sulphuric\,acid}{\mathop{\underset{{{H}_{2}}S{{O}_{4}}}{\mathop{\underset{or}{\mathop{S{{O}_{2}}{{(OH)}_{2}}}}\,}}\,}}\,+2PC{{l}_{5}}\xrightarrow{{}}\underset{chloride}{\mathop{\underset{Sulphuryl}{\mathop{S{{O}_{2}}C{{l}_{2}}}}\,}}\,\]


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