question_answer 1)

  Suggest a route to prepare ethyl hydrogen sulphate\[(C{{H}_{3}}-C{{H}_{2}}-OS{{O}_{2}}-OH)\]starting from ethanol\[({{C}_{2}}{{H}_{5}}OH)\].

Answer:

  \[C{{H}_{3}}C{{H}_{2}}OH+HOS{{O}_{2}}OH(conc.)\xrightarrow[383K]{\Delta }\]\[\underset{Ethyl\,hydrogen\,sulphate}{\mathop{C{{H}_{3}}C{{H}_{2}}OS{{O}_{2}}OH}}\,+{{H}_{2}}O\]