question_answer

In the chemical reaction,\[A\xrightarrow{{{O}_{3}}}B\xrightarrow{Zn+{{H}_{2}}O}\] propane-2-one + methanol. The compound A is

A)  2-methylbutene

B)  but-1-ene

C)  but-2-ene

D)  1,3-butadiene

Correct Answer: A

Solution :

                \[\underset{\underset{A}{\mathop{2-methyl\text{ }butene}}\,}{\mathop{C{{H}_{3}}-C{{H}_{2}}-\underset{\begin{smallmatrix}  | \\  C{{H}_{3}} \end{smallmatrix}}{\mathop{C}}\,=C{{H}_{2}}+{{O}_{3}}\xrightarrow{{}}}}\,\]                                                                                                 \[\underset{Propane-2-one}{\mathop{C{{H}_{3}}-\overset{\begin{smallmatrix}  O \\  || \end{smallmatrix}}{\mathop{C}}\,-C{{H}_{3}}}}\,\,\,\,+\underset{Methanal}{\mathop{HCHO}}\,\]