Neco Model Questions Vol1 2023 Chemistry Question 34

Practice objective / multiple choice question 34 from the 2023 Neco Model Questions Vol1 Chemistry examination.

Neco Model Questions Vol1 2023 Chemistry Objective / Multiple Choice Hard Difficulty
Question 34 NECO_MODEL_QUESTIONS_VOL1 • 2023 • CHEMISTRY • objective

Manganese dioxide reacts with excess concentrated hydrochloric acid according to \(\mathrm{MnO_2 + 4 HCl \rightarrow MnCl_2 + Cl_2 + 2 H_2O}\). If \(5.00\ \mathrm{g}\) of \(\mathrm{MnO_2}\) (molar mass \(86.94\ \mathrm{g\ mol^{-1}}\)) is used, (a) calculate the volume of chlorine gas produced at STP, (b) the mass of \(\mathrm{MnCl_2}\) formed, and (c) the percentage yield of chlorine if the actual volume collected is \(1.20\ \mathrm{L}\).

Answer Options

Correct Answer A. a) 1.29 L; b) 7.23 g; c) 93.2%
B. a) 1.05 L; b) 6.80 g; c) 85.0%
C. a) 1.45 L; b) 7.80 g; c) 100.0%
D. a) 0.95 L; b) 5.90 g; c) 70.5%
Correct Answer
A
Correct Option:
a) 1.29 L; b) 7.23 g; c) 93.2%

About This Question

This is Neco Model Questions Vol1 2023 Chemistry Question 34. It is one of the objective questions from the 2023 Neco Model Questions Vol1 Chemistry examination.

Difficulty level: Hard .

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