Answers
>
Chemistry
>
A Level
>
Article
Write a balanced half equation for the oxidation of Mn 2+ to MnO4 -
Mn
2+
+ 4H
2
O => MnO
4
-
+ 8H
+
+ 5e
-
AE
Answered by
Alexander E.
•
Chemistry tutor
3196 Views
See similar Chemistry A Level tutors
Related Chemistry A Level answers
All answers ▸
What is meant by the term optical isomerism?
Explain why Magnesium has a greater second ionisation energy than strontium
You added 75cm^3 of 0.5moldm^-3 HCl to impure MgCO2, and some was left unreacted. The unreacted HCl reacted completely with 21.6cm^m of 0.5moldm^-3 NaOH. So what is the percentage purity of the MgCO3 sample?
Define the term 'first ionisation energy' and explain why the first ionisation energy shows a general increase across period 2