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A compound c,h, decolorises br, in ccl and gives a white precipitate with tollen's reagent. it has sharp band at 3300 cm and weak bands at 3085, 2110 cm. it is
A compound C,H, decolorises Br, in CCl and gives a white precipitate with Tollen's reagent. It has sharp band at 3300 cm and weak bands at 3085, 2110 cm. It is (a) Phenyl acetylene (b) Phenyl propylene ()Phenyl ethylene (d) Octene
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Priyanshu kumar![best-answer]()
option A is correct Tollen's reagent (ammoniacal silver nitrate) reacts with terminal acetylenes to form the silver acetylide which precipitates out of solution. Terminal alkynes can be identified by their absorbance at about 3300 cm-1, due to stretching of the bond between the sp-hybridized carbon and the terminal hydrogen check IR spectrum of phenylacetylene