Answer to Question #62235 in Chemistry for Blessed

Question #62235

18 Breaking of a larger hydrocarbon molecule into a smaller one by heating in the presence of a catalyst is called ___.
a. Cracking
b. Orthofugation
c. Centrifugation
d. Thermogenation

19 An isomer of pentane is ___________.
a. 2,2-Dimethylpropane
b. 2,2-Dimethylpentane
c. 1,1-Dimethylcyclopropane
d. 2,3-Dimethylbutane

20 Isomers have the same _____________.
a. Melting point
b. Molecular formula
c. Boiling point
d. Reactivity

Expert's answer

18. a. Cracking
19. a. 2,2-Dimethylpropane
20. b. Molecular formula