Predict the products of electrolysis of molten calcium chloride and explain which ions are at each electrode

Electrolysis is a process in which electrical energy, from a direct current (dc) supply, breaks down electrolytes. the free moving ions in electrolytes are attracted to the oppositely charged electrodes which connect to the dc supply.The electrolyte CaCl2 (Calcium Chloride) is made up of Ca2+ and Cl- ions. The Ca2+ positive ions gain electrons from the negatively charged cathode and form calcium atoms while the Cl- negative ions lose electrons at the positively charged anode to form chlorine atoms- the atoms join up in pairs to form Cl2 molecules, so chlorine gas is formed at the positive electrode.

YM
Answered by Yasmeen M. Chemistry tutor

16168 Views

See similar Chemistry GCSE tutors

Related Chemistry GCSE answers

All answers ▸

What is the difference between and Alkane and an Alkene


A compound being analysed has the percentage composition by mass Ca = 13.9%, W = 63.9%, O = 22.2%. Calculate the empirical formula of this compound


Why is iodine a solid at room temperature and chlorine a gas, despite being in the same group?


Give the name of the monomer used to make poly(chloroethene). And describe how monomer molecules form polymer molecules.


We're here to help

contact us iconContact ustelephone icon+44 (0) 203 773 6020
Facebook logoInstagram logoLinkedIn logo

© MyTutorWeb Ltd 2013–2025

Terms & Conditions|Privacy Policy
Cookie Preferences