Neco 2017 Chemistry Question 10

Practice objective / multiple choice question 10 from the 2017 Neco Chemistry examination.

Neco 2017 Chemistry Objective / Multiple Choice Medium Difficulty
Question 10 NECO • 2017 • CHEMISTRY • objective

Two isomers of butane, n‑butane and isobutane, are each mixed with excess chlorine gas and irradiated with UV light. Under identical conditions, the rate of chlorination (measured as the increase in pressure of HCl) for n‑butane is observed to be twice that for isobutane. If a mixture containing 2.00 mol of n‑butane and 2.00 mol of isobutane is irradiated for 30 min, and the integrated first‑order rate for isobutane gives 0.10 mol HCl per mol of isobutane, calculate the total moles of HCl produced.

Answer Options

A. 0.50 mol
B. 0.80 mol
C. 0.30 mol
Correct Answer D. 0.60 mol
Correct Answer
D
Correct Option:
0.60 mol

About This Question

This is Neco 2017 Chemistry Question 10. It is one of the objective questions from the 2017 Neco Chemistry examination.

Difficulty level: Medium .

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