Cation, Anion & Flame Tests

Beschreibung

GCSE Chemistry Quiz am Cation, Anion & Flame Tests, erstellt von lisawinkler10 am 09/05/2015.
lisawinkler10
Quiz von lisawinkler10, aktualisiert more than 1 year ago
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Erstellt von lisawinkler10 vor mehr als 9 Jahre
911
3

Zusammenfassung der Ressource

Frage 1

Frage
You acidify an anion in solution with Nitric Acid and then add aqueous Silver Nitrate. The result is a cream precipitate, what is the anion?
Antworten
  • Iodide
  • Carbonate
  • Sulfate
  • Bromide
  • Chloride

Frage 2

Frage
You repeat the test, this time with the anion Chloride in solution. What is the result?
Antworten
  • Yellow ppt.
  • Cream ppt.
  • Reddish-brown ppt.
  • White ppt.
  • Effervescence and Carbon Dioxide produced

Frage 3

Frage
The result of a solution with aqueous Sodium Hydroxide is a white ppt. which is insoluble in excess. What is the result with aqueous Ammonia?
Antworten
  • White ppt. Insoluble in excess.
  • No (or very slight white ppt.)
  • White ppt. Soluble in excess.
  • Ammonia produced on warming.

Frage 4

Frage
What cation was this?
Antworten
  • Aluminium
  • Calcium
  • Copper
  • Zinc

Frage 5

Frage
You hold a flame test loop at the edge of a bunsen burner flame. The flame turns orange. What metal does this indicate?
Antworten
  • Sodium
  • Lithium
  • Calcium
  • Barium
  • Potassium
  • Copper

Frage 6

Frage
What metal is held in this flame?
Antworten
  • Lithium
  • Copper
  • Calcium
  • Potassium
  • Sodium
  • Barium

Frage 7

Frage
For Iron's oxidation state +2, what is the result with aqueous Sodium Hydroxide?
Antworten
  • White ppt. Soluble in excess.
  • Yellow ppt. Soluble in excess.
  • Grey-Green ppt. Insoluble in excess.
  • Reddish-Brown ppt. Insoluble in excess.
  • Reddish-Brown ppt. Soluble in excess.

Frage 8

Frage
What is the test for Nitrate?
Antworten
  • Add dilute acid
  • Add dilute Hydrochloric Acid, then aqueous Barium Nitrate
  • Add aqueous Sodium Hydroxide, then aluminium foil and warm carefully
  • Acidify with dilute Nitric Acid, then add aqueous Silver Nitrate

Frage 9

Frage
Which three cations have a white ppt. with both aqueous Sodium Hydroxide and aqueous Ammonia?
Antworten
  • Aluminium
  • Zinc
  • Calcium
  • Copper
  • Iron(III)
  • Ammonium
Zusammenfassung anzeigen Zusammenfassung ausblenden

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