GCSE Edexcel Chemistry Ionic bonding: 1 Sodium carbonate and copper ch

Question

1 Sodium carbonate and copper chloride are both ionic solids.
They are both soluble in water.

(a) Which row of the table shows the most likely melting points of these two salts?
Put a cross (X) in the box next to your answer.

melting point / °C
|          | sodium carbonate | copper chloride |
|----------|------------------|-----------------|
| A        | 17               | 498             |
| B        | 851              | 9               |
| C        | 851              | 498             |
| D        | 9                | 17              |

(b) Copper chloride contains copper ions, Cu²⁺, and chloride ions, Cl⁻.
Give the formula of copper chloride.

(c) Complete the sentence by putting a cross (X) in the box next to your answer.
If a flame test is carried out on copper chloride, the colour in the flame is

A  red-brown  
B  yellow  
C  lilac  
D  green-blue

1 Sodium carbonate and copper chloride are both ionic solids - Edexcel - GCSE Chemistry - Question 1 - 2013 - Paper 1

Worked Solution & Example Answer:1 Sodium carbonate and copper chloride are both ionic solids - Edexcel - GCSE Chemistry - Question 1 - 2013 - Paper 1

Which row of the table shows the most likely melting points of these two salts?

Give the formula of copper chloride.

If a flame test is carried out on copper chloride, the colour in the flame is.

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