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Fe(II) forms a complex when in water [Fe(H2O)6]2+ WHen you add OH- ions to the solution, it forms a neutral complex. Suggest the formula of the complex.
Fe(III) forms a complex when in water [Fe(H2O)6]3+ WHen you add OH- ions to the solution, it forms a neutral complex. Suggest the formula of the complex.
Write a word equation for the reaction.
State the colour of the precipitate formed.
Iron (II) sulfate solution and dilute sodium hydroxide solution
Iron (III) sulfate solution and dilute sodium hydroxide solution
Aluminium chloride solution and sodium hydroxie solution
Calcium chloride solution and sodium hydroxide solution
State the colour of both precipitates in part a.
Describe how you could distinguish between the two precipitates by adding excess dilute sodium hydroxide solution.
Name the gas produced in the reaction between ammonium ions and hydroxide ions in these tests.
Describe a chemical test to identify the gas produced. Include what you would do, any essential conditions, and what you would expect to see.