Which reaction mechanism best describes the conversion of 2-bromopropane to propene when heated with potassium hydroxide in ethanol?

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ASN1 substitution
BSN2 substitution
CE1 elimination
DE2 elimination

✓ Correct answer: D. E2 elimination This reaction involves the removal of HBr from 2-bromopropane to form propene. This is an E2 elimination reaction, which occurs in a single step where the base (OH-) abstracts a proton while the bromine leaves, forming a double bond.

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Which reaction mechanism best describes the conversion of 2-bromopropane to propene when heated with potassium hydroxide in ethanol?

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