Igcse Model Questions Vol1 2021 Chemistry Question 5

Practice essay / theory question 5 from the 2021 Igcse Model Questions Vol1 Chemistry examination. This question covers Stoichiometry .

Igcse Model Questions Vol1 2021 Chemistry Essay / Theory
Topic: Stoichiometry
Question 5 IGCSE_MODEL_QUESTIONS_VOL1 • 2021 • CHEMISTRY • essay

A laboratory experiment is set up to prepare aluminium chloride (AlCl3) by the reaction: 2 Al (s) + 3 Cl2 (g) → 2 AlCl3 (s) All reagents are of analytical grade and the reaction is carried out in a sealed vessel.

Question Parts

( a )
A sample of 5.0 g of aluminium is placed in the vessel and excess chlorine gas is introduced. Identify the limiting reagent and state the reason for your choice.
( b )
Calculate the theoretical yield of AlCl₃ (in grams) that could be obtained from the 5.0 g of aluminium.
( c )
The experiment actually yields 10.0 g of AlCl₃. Determine the percentage yield.
( d )
If instead 5.0 g of chlorine gas were placed in the vessel with excess aluminium, calculate the mass of AlCl₃ that could be formed.

Detailed Solution & Marking Scheme

Get the step-by-step solution, key points required by examiners and detailed marking guidance through the Edcrib AI Tutor.

Reveal Answer

About This Question

This is Igcse Model Questions Vol1 2021 Chemistry Question 5. It is one of the essay questions from the 2021 Igcse Model Questions Vol1 Chemistry examination.

The question covers Stoichiometry .

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