Cyclohexane Is Manufactured from the Reaction of Benzene with Hydrogen $\rarr$

Multiple Choice

Cyclohexane is manufactured from the reaction of benzene with hydrogen:
C₆H₆(g) + 3 H₂(g) $\rarr$ C₆H₁₂(g)
If the initial concentration of hydrogen was 1.5 M and 5 minutes later the hydrogen concentration is 0.34 M, what is the average rate of disappearance of hydrogen?

A) 0.30 M/min
B) 0.20 M/min
C) 1.16 M/min
D) 0.23 M/min
E) 0.68 M/min