Unit 5 Redox flashcards

List the oxidation number rules

Define: standard electrode potential

The stronger the reducing agent the more ______ its electrode potential

The stronger the oxidising agent the more ______ its electrode potential

A +ve emf means the fwds reaction is...

Standard conditions for measuring emf

Describe a standard H electrode

Oxidation occurs at the anode of cathode?

Is a drawn cell diagram has electrons flowing clockwise is this the same as LHS/RHS on cell diagram notation?

What is a salt bridge?

In cell diagrams, where is the oxidised from positioned?
And is that the one w/ or w/o \(e^-\)'s separate?

Above what voltage does emf have to be for a reaction to go to completion?

Electrode potential is directly proportional to what 2 things?

Why are predictions about reaction feasibility based on electrode potentials not always correct?

What are the colours of each of the V oxidation states?

Why when oxing V from +5 to +4 can the solution turn green even though there is no \(V^{3+}\)?

What colour is \(MnO_4^-\) and what is Mn's ox state?

What colour is \(Mn^{2+}\)?

In which reaction does auto catalysis occur?

What is the formula of ethandioc acid?

What colour and state is CuI?

When estimating % Cu in an alloy what can cause uncertainties?

\(H_2\) + air is explosive but it is safer than petrol or aviation fuel. Why?

What type of electrode is used in a H fuel cell?

What is in a H fuel cell?

Product of an H fuel cell

Problems with a H fuel cell

List 3 ways methanol can be sourced

Waste products of a methanol fuel cell

2 advantages and a disadvantage of methanol over hydrogen

How is ethanol produced?

Which is more toxic methanol or ethanol?

A's and D's of fuel cells

How does a FC breath analyser work?

Problems with breath analysers