Chemistry -Test Electrochemistry
Edexcel IAL Chemistry January 2014 Unit 5 Question Paper
WCH05_01_que_20140121
Oxidation and Reduction Click to start Question 1 In the reaction MnO 2 (s) + 4HCl(aq) Cl 2 (g) + MnCl 2 (aq) + 2H 2 O(l) HCl is the oxidising agent.
Rules for Assigning Oxidation #’s. Elements by themselves are neutral Elements by themselves are neutral Ox # = 0 Ex: Na 0, O 2 0, Mg 0 Ex: Na 0, O 2.
Rules for Assigning Oxidation #’s
