Neco Model Questions Vol1 2021 Chemistry Question 43

Practice objective / multiple choice question 43 from the 2021 Neco Model Questions Vol1 Chemistry examination.

Neco Model Questions Vol1 2021 Chemistry Objective / Multiple Choice Medium Difficulty
Question 43 NECO_MODEL_QUESTIONS_VOL1 • 2021 • CHEMISTRY • objective

1‑bromo‑2‑chloropropane (\( CH_3CH(Cl)CH_2Br \)) is reacted with excess aqueous NaOH at \(25^{\circ}\text{C}\). Two possible substitution pathways are possible: SN1 at the secondary carbon bearing Cl and SN2 at the primary carbon bearing Br. Identify the major organic product formed and justify which mechanistic pathway predominates.

Answer Options

A. 1‑chloropropan‑2‑ol (CH3‑CH(Cl)‑CH2OH)
Correct Answer B. 2‑chloropropan‑1‑ol (CH2OH‑CH(Cl)‑CH3)
C. 2‑chloropropan‑2‑ol (CH3‑C(Cl)(OH)‑CH3)
D. 2‑bromopropan‑1‑ol (CH2OH‑CH(Br)‑CH3)
Correct Answer
B
Correct Option:
2‑chloropropan‑1‑ol (CH2OH‑CH(Cl)‑CH3)

About This Question

This is Neco Model Questions Vol1 2021 Chemistry Question 43. It is one of the objective questions from the 2021 Neco Model Questions Vol1 Chemistry examination.

Difficulty level: Medium .

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