question_answer

Which is the most suitable reagent among the following to distinguish compound (iii) from rest of the compounds (i) \[C{{H}_{3}}-C\equiv C-C{{H}_{3}}\] (ii) \[C{{H}_{3}}-C{{H}_{2}}-C{{H}_{2}}-C{{H}_{3}}\] (iii) \[C{{H}_{3}}-C{{H}_{2}}-C\equiv CH\] (iv) \[C{{H}_{3}}-CH=C{{H}_{2}}\] [CBSE PMT 1989]

A) Bromine in carbon tetrachloride

B) Bromine in acetic acid

C) Alkaline \[KMn{{O}_{4}}\]

D) Ammoniacal silver nitrate reagent