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Identifying metal ions and ammonium ions

Last updated over 5 years ago

12 questions

1

Question 11

11.

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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.

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

1.

Write a word equation for the reaction.

Question 2

2.

State the colour of the precipitate formed.

Question 3

3.

Iron (II) sulfate solution and dilute sodium hydroxide solution

Question 4

4.

Iron (III) sulfate solution and dilute sodium hydroxide solution

Question 5

5.

Aluminium chloride solution and sodium hydroxie solution

Question 6

6.

Calcium chloride solution and sodium hydroxide solution

Question 7

7.

Question 8

8.

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

Question 9

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.

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