Chemistry - Paper 2 Flashcards
(12 cards)
Colour of Lithium flame
Crimson.
Colour of Sodium flame.
Yellow.
Colour of potassium flame.
Lilac.
Colour of Calcium2+ flame.
Orange-Red.
Colour of Copper2+ flame.
Green.
Effect of adding sodium hydroxide to Copper2+.
Light blue precipitate, insoluble in excess NaOH.
Effect of adding sodium hydroxide to Iron2+.
Green precipitate, insoluble in excess NaOH.
Effect of adding sodium hydroxide to Iron3+.
Brown precipitate, insoluble in excess NaOH.
Effect of adding sodium hydroxide to Calcium2+.
White precipitate, insoluble so remains in excess NaOH.
Effect of adding sodium hydroxide to Magnesium2+.
White precipitate, insoluble so remains in excess NaOH.
Effect of adding sodium hydroxide to Aluminium3+.
White precipitate, dissolves in excess NaOH to form a colourless solution.
