Identifying metal ions and ammonium ions

Last updated about 5 years ago

12 questions

Question 11

11.

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.

Question 12

12.

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.

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Identifying metal ions and ammonium ions

Last updated about 5 years ago

12 questions

Question 11

11.

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.

Question 12

12.

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.

Question 1

Write a word equation for the reaction.

Question 2

State the colour of the precipitate formed.

Question 3

Iron (II) sulfate solution and dilute sodium hydroxide solution

Question 4

Iron (III) sulfate solution and dilute sodium hydroxide solution

Question 5

Aluminium chloride solution and sodium hydroxie solution

Question 6

Calcium chloride solution and sodium hydroxide solution

Question 7

State the colour of both precipitates in part a.

A - both are blue

B - both are white

C - aluminium is white, calcium is green

D - aluminium is green, calcium is white

E - aluminium is brown, calcium is green

Question 8

Describe how you could distinguish between the two precipitates by adding excess dilute sodium hydroxide solution.

Question 9

Name the gas produced in the reaction between ammonium ions and hydroxide ions in these tests.

Question 10

10.

Describe a chemical test to identify the gas produced. Include what you would do, any essential conditions, and what you would expect to see.