Which of the following is a characteristic of E2 elimination reactions?

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Question: Which of the following is a characteristic of E2 elimination reactions?

Options:

Correct Answer: Occurs in a single concerted step

Solution:

E2 reactions occur in a single concerted step where the base abstracts a proton while the leaving group departs.

Which of the following is a characteristic of E2 elimination reactions?

Which of the following is a characteristic of E2 elimination reactions?

Step 1: Understand that E2 elimination reactions involve the removal of a proton (H) and a leaving group (like a halide) from a molecule.
Step 2: Recognize that this process happens in one single step, meaning everything occurs at the same time.
Step 3: Identify that a base (a substance that can accept protons) is involved in the reaction, as it takes away the proton.
Step 4: Note that as the base removes the proton, the leaving group simultaneously departs from the molecule.
Step 5: Conclude that the key characteristic of E2 reactions is this concerted mechanism where both actions happen together.

No concepts available.