Examlex
Provide a neatly drawn mechanism for the following reaction, including curved arrows to show the movement of paris of electrons and the structure of reactive intermediates. The reaction proceeds in three steps:
1. Protonation of propene to form the 2-propyl cation
2. Nucleophilic addition of bromine to the 2-propyl cation
3. Deprotonation of the oxygen
Fixed Interval
A schedule of reinforcement where a response is rewarded only after a specified amount of time has elapsed.
Variable Interval
A schedule of reinforcement where a response is rewarded after a varying interval of time, making the timing of the reward unpredictable.
Variable-ratio
A schedule of reinforcement where a response is reinforced after an unpredictable number of responses, leading to high and steady rates of response.
Fixed-ratio
A schedule of reinforcement where a response is rewarded only after a specified number of responses.
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