GCSE Edexcel Chemistry Negative ion- Halide Test: Qualitative Analysis

(a) Three

Question

Qualitative Analysis

(a) Three solids, A, B, and C, are analysed.

(i) Solid A is potassium iodide.
A small amount of solid A dissolved in water to form a solution.
Describe the test to show that the solution of A contains iodide ions.

(ii) Solid B is ammonium chloride.
Describe the test to show that solid B contains ammonium ions.

(iii) Solid C is dissolved in water.
When sodium hydroxide solution is added to the solution of C, a red-brown precipitate is formed.
Complete the sentence by putting a cross (X) in the box next to your answer.
This test shows that the ion present in solid C is

A copper, Cu²⁺
B iron(II), Fe²⁺
C iron(III), Fe³⁺
D sodium, Na⁺.

Qualitative Analysis (a) Three solids, A, B, and C, are analysed - Edexcel - GCSE Chemistry - Question 2 - 2014 - Paper 1

Worked Solution & Example Answer:Qualitative Analysis (a) Three solids, A, B, and C, are analysed - Edexcel - GCSE Chemistry - Question 2 - 2014 - Paper 1

Describe the test to show that the solution of A contains iodide ions.

Describe the test to show that solid B contains ammonium ions.

Complete the sentence by putting a cross (X) in the box next to your answer.

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