A) butan-1, 2-diol
B) butan-1-ol
C) butan-2-ol
D) butan-2-one
Correct Answer: D
Solution :
\[\underset{1-\text{butyne}}{\mathop{C{{H}_{3}}C{{H}_{2}}C\equiv CH}}\,+{{H}_{2}}O\xrightarrow{HgS{{O}_{4}}/{{H}_{2}}S{{O}_{4}}}\] \[C{{H}_{3}}C{{H}_{2}}\overset{OH}{\mathop{\overset{|}{\mathop{C}}\,}}\,\xrightarrow{+{{H}_{2}}O}C{{H}_{3}}C{{H}_{2}}-\underset{(unstable)}{\mathop{\underset{OH}{\overset{OH}{\mathop{\underset{|}{\overset{|}{\mathop{C}}}\,}}}\,}}\,-C{{H}_{3}}\] \[\xrightarrow{-{{H}_{2}}O}\underset{\text{butan}-2-one}{\mathop{C{{H}_{3}}C{{H}_{2}}-\underset{O}{\mathop{\underset{||}{\mathop{C}}\,}}\,-C{{H}_{3}}}}\,\]
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