Atoms and Molecules

Week 11

Lectures

1. Electrochemistry, half reactions, redox potential (MC)
2. Aldehydes and ketones, oxidation and reduction, reaction with amines and alcohols (AC)

Background reading
        General, Organic & Biological Chemistry Structures of Life
        Chapter 15
        Chemistry, Molecules, Matter, and Change:
        Chapter 18, re-read Chapter 11

Study guide
        General, Organic & Biological Chemistry Structures of Life
        6.5, 15.1, 15.2, 15.3, 15.4, 15.5, 15.6, 15.7
        Chemistry, Molecules, Matter, and Change:
        pp 792 - 797 (electrochemistry), 810 - 815 (redox reactions), 489 (aldehydes and ketones)

Related learning aids
        Redox information page

Problems

35.     Given the following standard redox potentials,

Fe³⁺/Fe²⁺ = 0.771 V
Cu²⁺/Cu⁺ = 0.15 V
2O₂ , 2H⁺/H2O = 0.816 V

which of the following statements are true?

(a) Fe³⁺ can oxidise water
(b) Fe²⁺ can reduce oxygen
(c) Cu²⁺ can reduce oxygen
(d) Cu⁺ is the strongest reducing agent
(e) the following reaction will occur spontaneously
        Fe³⁺ + Cu⁺ = Fe²⁺ + Cu²⁺
(f) Fe³⁺ is the strongest oxidising agent
Answer

36.     Predict which of the following compounds are good reducing agents.

Answer

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This page was last updated by Martin Chaplin
on 21 July, 2005