The Isomerization of Cyclopropane to Form Propene Is a First-Order

The isomerization of cyclopropane to form propene is a first-order reaction. At 760 K, 85% of a sample of cyclopropane changes to propene in 79.0 min.Determine the rate constant for this reaction at 760 K.

A) 3.66 × 10^-2 min^-1
B) 1.04 × 10^-2 min^-1
C) 2.42 min^-1
D) 2.06 × 10^-3 min^-1
E) 2.40 × 10^-2 min^-1