Neco Model Questions Vol1 2020 Chemistry Question 20

Practice objective / multiple choice question 20 from the 2020 Neco Model Questions Vol1 Chemistry examination.

Neco Model Questions Vol1 2020 Chemistry Objective / Multiple Choice Medium Difficulty
Question 20 NECO_MODEL_QUESTIONS_VOL1 • 2020 • CHEMISTRY • objective

In acidic solution the redox reaction between permanganate ion and oxalic acid is balanced as follows: \( \text{MnO}_4^- + \text{C}_2\text{O}_4^{2-} + H^+ \rightarrow \text{Mn}^{2+} + CO_2 + H_2O \). (i) Balance the overall redox equation, showing the stoichiometric coefficients. (ii) If 0.0250 mol of KMnO₄ reacts completely with excess oxalic acid, calculate the volume of 0.500 M H₂SO₄ required to supply the necessary H⁺ ions.

Answer Options

A. 250 mL
B. 150 mL
C. 100 mL
Correct Answer D. 200 mL
Correct Answer
D
Correct Option:
200 mL

About This Question

This is Neco Model Questions Vol1 2020 Chemistry Question 20. It is one of the objective questions from the 2020 Neco Model Questions Vol1 Chemistry examination.

Difficulty level: Medium .

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