Igcse Model Questions Vol1 2018 Chemistry Question 9
Practice essay / theory question 9 from the 2018 Igcse Model Questions Vol1 Chemistry examination. This question covers Redox reactions, Electrochemistry .
A piece of clean zinc metal is immersed in 250 cm³ of a 0.010 mol dm⁻³ copper(II) sulphate solution at 25 °C. The reaction proceeds until the solution becomes colourless. The standard reduction potentials are: \[\text{Cu}^{2+}+2e^-\rightarrow\text{Cu}\quad E^{\circ}=+0.34\text{ V}\] \[\text{Zn}^{2+}+2e^-\rightarrow\text{Zn}\quad E^{\circ}=-0.76\text{ V}\] During the experiment a constant current of 0.50 A is passed for 30 minutes. Answer the following:
Question Parts
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 AnswerAbout This Question
This is Igcse Model Questions Vol1 2018 Chemistry Question 9. It is one of the essay questions from the 2018 Igcse Model Questions Vol1 Chemistry examination.
The question covers Redox reactions, Electrochemistry .
Master the Exam!
You've seen a preview, but there are thousands more questions plus AI tutor to break down complex solutions.