Oxidation of ethanol

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Rohan Malhotra             The Oxidation of ethanol        AS – Assessed Practical (Skill I)

The oxidation of Ethanol

Safety

The Chemicals used in the experiment were:

  • Ethanol
  • Sodium Dichromate
  • Sulphuric Acid
  • Universal Indicator
  • 2, 4-dinitrophenylhydrazine

The above chemicals did have some hazards when in the context of this experiment. Due to these hazards I wore a lab coat to protect from things like the Na2Cr2O7, which stains, also I wore protective glasses to prevent things from entering my eyes. Below are the hazards.

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Ethanol

  • Highly flammable above 13°C causing a narcotic effect if inhalation of the vapour occurs.
  • Toxic

Sodium Dichromate

  • Very Toxic → Cause cancer if inhaled
  • Harmful if swallowed
  • Harmful if in contact with skin
  • Danger to environment – Very to toxic to aquatic environment may
  • Cause long-term adverse effects                                          

Sulphuric Acid

  • Very corrosive – cause severe burns
  • Dangerous with – Sodium, dangerous reactions can take place

                                         Water, Vigorous ...

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