Waec Model Questions Vol1 2020 Chemistry Question 11

Practice objective / multiple choice question 11 from the 2020 Waec Model Questions Vol1 Chemistry examination.

Waec Model Questions Vol1 2020 Chemistry Objective / Multiple Choice Medium Difficulty
Question 11 WAEC_MODEL_QUESTIONS_VOL1 • 2020 • CHEMISTRY • objective

Potassium dichromate reacts with excess sulfuric acid and iron(II) sulfate according to the acidic redox reaction. If 10.0 g of K₂Cr₂O₇ is completely reduced, calculate the volume (in mL) of 0.500 M Fe²⁺ solution required for the reaction. Assume the reaction proceeds as: Cr₂O₇²⁻ + 6 Fe²⁺ + 14 H⁺ → 2 Cr³⁺ + 6 Fe³⁺ + 7 H₂O.

Answer Options

A. 350 mL
Correct Answer B. 408 mL
C. 525 mL
D. 460 mL
Correct Answer
B
Correct Option:
408 mL

About This Question

This is Waec Model Questions Vol1 2020 Chemistry Question 11. It is a objective / multiple choice question from the 2020 Waec Model Questions Vol1 Chemistry examination.

Difficulty level: Medium .

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