Carbocations

Practice Questions

GRE Subject Test: Chemistry › Carbocations

Questions
4
1

Which of the following carbocation intermediates requires the least activation energy?

2

What intermediate is involved in the conversion of compound B to compound C?

Mcat_1

3

4

If the carbon being pointed to was deprotonated (resulting in a positive charge on it). Would the resonance form (the positive charge being redistributed to the carbon with a bromine) be more stable than a secondary carbocation? Why?

4

Carbon 1:

8

Carbon 2:

9

Let's say we react the given compound with . During the first step of the reaction, will the hydrogen be added to carbon 1 or carbon 2, why?

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