4:35 (Triple only) understand how to draw structural and displayed formulae for unbranched- chain carboxylic acids with up to four carbon atoms in the molecule, and name each compound

4:35 (Triple only) understand how to draw structural and displayed formulae for unbranched- chain carboxylic acids with up to four carbon atoms in the molecule, and name each compound

The four simplest carboxylic acids are methanoic acid, ethanoic acid, propanoic acid and butanoic acid.

 

Methanoic acid

Displayed formula:Image result for methanoic acid

Molecular formula: CH₂O₂

Structural formula: HCOOH

 

Ethanoic acid

Displayed formula:

Molecular formula: C₂H₄O₂

Structural formula: CH₃COOH

 

Propanoic acid

Displayed formula:Image result for propanoic acid

Molecular formula: C₃H₆O₂

Structural formula: CH₃CH₂COOH

 

Butanoic acid

Displayed formula:Image result for butanoic acid

Molecular formula: C₄H₈O₂

Structural formula: CH₃CH₂CH₂COOH

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Section 1: Principles of chemistry

      a) States of matter

      b) Atoms

      c) Atomic structure

     d) Relative formula masses and molar volumes of gases

     e) Chemical formulae and chemical equations

     f) Ionic compounds

     g) Covalent substances

     h) Metallic crystals

     i) Electrolysis

 Section 2: Chemistry of the elements

     a) The Periodic Table

     b) Group 1 elements: lithium, sodium and potassium

     c) Group 7 elements: chlorine, bromine and iodine

     d) Oxygen and oxides

     e) Hydrogen and water

     f) Reactivity series

     g) Tests for ions and gases

Section 3: Organic chemistry

     a) Introduction

     b) Alkanes

     c) Alkenes

     d) Ethanol

Section 4: Physical chemistry

     a) Acids, alkalis and salts

     b) Energetics

     c) Rates of reaction

     d) Equilibria

Section 5: Chemistry in industry

     a) Extraction and uses of metals

     b) Crude oil

     c) Synthetic polymers

     d) The industrial manufacture of chemicals