Anions test

Descrição

Quiz sobre Anions test, criado por Yatta em 10-05-2015.
Yatta
Quiz por Yatta, atualizado more than 1 year ago
Yatta
Criado por Yatta aproximadamente 9 anos atrás
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0

Resumo de Recurso

Questão 1

Questão
Dilute Hydrochloric acid is added then aqueous Barium Nitrate, a white precipitate forms. Which anion is present?
Responda
  • Sulfate (SO42−)
  • Nitrate (NO3−)
  • Carbonate (CO32-)

Questão 2

Questão
How would you determine whether Nitrate (NO3-) ions are present in a solution
Responda
  • Add Acid -> Effervescence -> Carbon dioxide released (turns lime water milky)
  • Add Aq. Sodium hydroxide -> add aluminium foil and warm gently -> Ammonia released (turns damp red litmus paper blue)
  • Add dilute Hydrochloric acid -> Add Aq. Barium nitrate -> White precipitate

Questão 3

Questão
Which of these is untrue for testing for halides in solution
Responda
  • Iodide - White ppt.
  • Chloride - Cream ppt.
  • Bromide - Yellow ppt.

Questão 4

Questão
Dilute nitric acid is added to a substance and then silver nitrate, a white precipitate forms, what anion is present?
Responda
  • Iodide
  • Carbonate
  • Sulfate
  • Bromide
  • Nitrate
  • Chloride

Questão 5

Questão
To test whether a carbonate anion is present, a dilute acid is added and effervescence is observed and Oxygen released.
Responda
  • True
  • False

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