Igcse Model Questions Vol1 2021 Chemistry Question 20

Practice objective / multiple choice question 20 from the 2021 Igcse Model Questions Vol1 Chemistry examination.

Igcse Model Questions Vol1 2021 Chemistry Objective / Multiple Choice Medium Difficulty
Question 20 IGCSE_MODEL_QUESTIONS_VOL1 • 2021 • CHEMISTRY • objective

In acidic solution, potassium permanganate oxidises oxalic acid according to the reaction: \( \mathrm{KMnO_4 + H_2C_2O_4 + H_2SO_4 \rightarrow K_2SO_4 + MnSO_4 + CO_2 + H_2O} \). (i) Balance the overall redox equation. (ii) Using the balanced equation, calculate how many moles of KMnO₄ are required to react completely with \(0.10\ \text{mol}\) of oxalic acid, and the volume of CO₂ produced at STP.

Answer Options

A. 0.08 mol KMnO₄; 8.96 L CO₂
B. 0.02 mol KMnO₄; 2.24 L CO₂
C. 0.05 mol KMnO₄; 5.60 L CO₂
Correct Answer D. 0.04 mol KMnO₄; 4.48 L CO₂
Correct Answer
D
Correct Option:
0.04 mol KMnO₄; 4.48 L CO₂

About This Question

This is Igcse Model Questions Vol1 2021 Chemistry Question 20. It is one of the objective questions from the 2021 Igcse Model Questions Vol1 Chemistry examination.

Difficulty level: Medium .

View More Igcse Model Questions Vol1 2021 Chemistry Questions More Igcse Model Questions Vol1 Practice Questions Back to Questions

Master the Exam!

You've seen a preview, but there are thousands more questions plus AI tutor to break down complex solutions.

Unlock Full Access Available for Android & Windows
Chat with Support