A compound C8 H6 decolorizes Br2 in CCl4 and gives a white precipitate with Tollen’s reagent. It has sharp band at 3300 cm-l and weak bands at 3085, 2110 cm-l. What is this compound?

A compound C8 H6 decolorizes Br2 in CCl4 and gives a white precipitate

1.	A compound C8 H6 decolorizes Br2 in CCl4 and gives a white precipitate with Tollen’s reagent. It has sharp band at 3300 cm-l and weak bands at 3085, 2110 cm-l. What is this compound?
A.	Phenyl acetylene
B.	Phenyl propylene
C.	Phenyl ethylene
D.	Octene
Answer» B.