Transcribed image text: Which one of the following statements is incorrect? A. Cyclopropane has a higher heat of combustion than does cyclohexane. B. Cyclopentane is destabilized somewhat by tortional (eclipsing) interactions. C. Cyclohexane exists predominantly in an all-staggered conformation. D. Cyclopropane is destabilized by both angle strain and tortional (eclipsing) interactions. E. Cyclobutane has a higher heat of combustion per CH_2 than does cyclohexane.