Group 7

What is the equation for the reaction of Cl₂ and COLD & DILUTE NaOH? What word can be used to describe the results?

What is the equation for the reaction of Cl₂ and HOT & CONCENTRATED NaOH?

What are the uses of:
Sodium (I) Chlorate?
Sodium (V) Chlorate?
Sodium Chloride?

What is the general formula for the reactions of sodium halides with concentrated sulphuric acid? What are the general observations?

What is produced and observed during the reaction with NaCl and H₂SO₄?

What is the explanation for these products?

What is produced and observed during the reaction with NaBr and H₂SO₄?

What is the explanation for these products?

What is produced and observed during the reaction with NaI and H₂SO₄?

What is the explanation for these products?

Can Chloride Cl⁻ ions reduce:
Bromine Br₂?
Iodine I₂?

Can Bromide Br⁻ ions reduce:
Chlorine Cl₂?
Iodine I₂?

Can Iodide I⁻ ions reduce:
Chlorine Cl₂?
Bromine Br₂?

What are the reagents used to test for halide ions? Can you give a general equation?

What further test can be carried out to distinguish between the halide ions?

What is produced when Chloride Cl⁻ are used? What observations are seen? What is its solubility in NH₃?

What is produced when Bromide Br⁻ are used? What observations are seen? What is its solubility in NH₃?

What is produced when Iodide I⁻ are used? What observations are seen? What is its solubility in NH₃?