00800 G of a Compound with the Empirical Formula C₂H₂N

Multiple Choice

0.0800 g of a compound with the empirical formula C₂H₂N is dissolved in 10.00 g benzene.The resulting solution freezes at 4.99 °C.Benzene freezes at 5.48 °C and has a freezing point depression constant of K_f = 4.90 °C/m.What is the molecular formula of the compound?

A) C₃H₂N
B) C₃H₃N
C) C₄H₄N₂
D) C₆H₆N₃
E) C₈H₈N₄