Multiple Choice
Consider the reaction of the tertiary halide shown. Which of the following statements best describes the rate-determining step of this reaction?
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- 1. A Review of General Chemistry5h 6m
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8. Elimination Reactions
E1 Reaction
Multiple Choice
Which substrate undergoes E1 reaction the slowest?
A
B
C
D
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Verified step by step guidance1
Step 1: Understand the E1 reaction mechanism. E1 reactions are unimolecular elimination reactions where the rate-determining step involves the formation of a carbocation intermediate.
Step 2: Identify the substrate structure. The substrate's ability to form a stable carbocation is crucial for the E1 reaction rate. Tertiary carbocations are more stable than secondary, which are more stable than primary.
Step 3: Analyze the provided structures. Look at the position of the bromine atom and the type of carbon it is attached to (primary, secondary, or tertiary).
Step 4: Consider the stability of the carbocation formed after the bromine leaves. The more substituted the carbon, the more stable the carbocation.
Step 5: Determine which substrate forms the least stable carbocation. The substrate that forms the least stable carbocation will undergo the E1 reaction the slowest.
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