Neco 2023 Chemistry Question 9

Practice objective / multiple choice question 9 from the 2023 Neco Chemistry examination.

Neco 2023 Chemistry Objective / Multiple Choice Medium Difficulty
Question 9 NECO • 2023 • CHEMISTRY • objective

One of the C_{5}H_{12} isomers, when oxidised with hot \(KMnO_{4}\) under acidic conditions, yields a single carboxylic‑acid product. Identify the structure of the starting alkane and give its IUPAC name. Also state how many chiral centres are present in the acid product.

Answer Options

A. Starting alkane: n‑pentane (pentane); chiral centres in the acid = 1
B. Starting alkane: isopentane (2-methylbutane); chiral centres in the acid = 0
Correct Answer C. Starting alkane: n‑pentane (pentane); chiral centres in the acid = 0
D. Starting alkane: neopentane (2,2-dimethylpropane); chiral centres in the acid = 0
Correct Answer
C
Correct Option:
Starting alkane: n‑pentane (pentane); chiral centres in the acid = 0

About This Question

This is Neco 2023 Chemistry Question 9. It is one of the objective questions from the 2023 Neco Chemistry examination.

Difficulty level: Medium .

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