An increase in which of the following will occur if the reaction temperature is ()? I. Energy of activation II. Collision frequency III. Fraction of collisions with sufficient energy
A. I and II
B. I and III
C. II and III
D. I, II, and III
E. I
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Which of the following correctly describes intermediates and/or transition states? ()
A. Transition states occur at minima on reaction coordinate diagrams.
Both transition states and intermediates occur at maxima on reaction coordinate diagrams.
C. An intermediate is always produced after the rate-determining step of a reaction mechanism.
D. Transition states have partially formed bonds whereas intermediates have fully formed bonds.
E. none of the above
An () in which of the following results in a () in the rate of the chemical reaction? ()
A. temperature
B. concentration
C. collision frequency
D. energy of activation
E. fraction of collisions with proper orientation
How many carbons are in the planar double-bond system of 3-methylcyclopentene? ()
A. 0
B. 1
C. 2
D. 3
E. 4
Which of the following is capable of exhibiting cis-trans isomerism?()
A. 1-butene
B. 1-pentene
C. cyclohexene
D. ethene
E. 2-butene
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