Neco 2024 Chemistry Question 19

Practice objective / multiple choice question 19 from the 2024 Neco Chemistry examination.

Neco 2024 Chemistry Objective / Multiple Choice Medium Difficulty
Question 19 NECO • 2024 • CHEMISTRY • objective

2‑Butanol (C\(_4\)H\(_{10}\)O) is oxidised with excess acidified potassium dichromate to give butan‑2‑one. If 5.00 g of 2‑butanol are used and the isolated mass of butan‑2‑one obtained is 4.20 g, calculate the percentage yield of the reaction.

Answer Options

A. 78.5
B. 90.1
Correct Answer C. 86.4
D. 84.2
Correct Answer
C
Correct Option:
86.4

About This Question

This is Neco 2024 Chemistry Question 19. It is one of the objective questions from the 2024 Neco Chemistry examination.

Difficulty level: Medium .

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