Which is the most suitable reagent among the following distinguish compound (3) from the others ? Ch₃C = C - CH₃ CH₃CH₂ - CH₂ - CH₃ CH₃CH₂C = CH CH₃CH = CH₂
a. bromine in carbon tetrachloride b. bromine in acetic acid solution c. Alk.KMnO₄ d. ammonical silver nitrate