A) \[C{{H}_{3}}-\overset{\text{O}}{\mathop{\overset{|\,|}{\mathop{C}}\,}}\,-O{{C}_{2}}{{H}_{5}}\]
B) \[{{C}_{2}}{{H}_{6}}\]
C) \[{{C}_{2}}{{H}_{4}}\]
D) \[{{C}_{2}}{{H}_{2}}\]
Correct Answer: C
Solution :
Ethyl alcohol on dehydration with conc. \[{{\text{H}}_{\text{2}}}\text{S}{{\text{O}}_{\text{4}}}\] at \[\text{170}{{\,}^{\text{o}}}\text{C,}\] gives ethylene. \[C{{H}_{3}}C{{H}_{2}}OH\xrightarrow[\text{conc}\text{.}{{\text{H}}_{\text{2}}}\text{S}{{\text{O}}_{\text{4}}}]{\text{170}{{\,}^{\text{o}}}\text{C}}C{{H}_{2}}=\underset{\text{Ethylene}}{\mathop{C{{H}_{2}}}}\,+{{H}_{2}}O\]
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