question_answer

How many compound give ketone when reacts with \[H{{g}^{+2}}/{{H}_{2}}S{{O}_{4}}\]

(a) \[HC\equiv CH\]

(b) \[C{{H}_{3}}-C\equiv CH\]

(c) \[Ph-C\equiv CH\]

(d) \[Ph-C\equiv C-Ph\]

(e) \[C{{H}_{3}}-\underset{C{{H}_{3}}}{\mathop{\underset{|}{\mathop{CH}}\,}}\,-C\equiv CH\]

(f) \[C{{H}_{3}}-C{{H}_{2}}-C\equiv CH\]

(g) \[C{{H}_{3}}-C\equiv C-Et\]

 

Answer:

6.00