Chemistry practical assessment 0.0 / 5 ? ChemistryASOCR Created by: I.mCreated on: 18-12-12 19:03 What is the colour of the TL and BL when potassium iodide and aqueous chlorine react and what is produced? TL=purple. BL= brown. I₂ produced/released. This shows that chlorine is more reactive 1 of 20 How do silver halide precipitates dissolve in aqueous ammonia? The silver halide precipitates have different solubilities in aqueous ammonia. 2 of 20 What is the solubility of chloride in ammonia? Dilute = yes. Concentrated = yes. 3 of 20 What is the colour of the TL and BL when potassium chloride and aqueous bromine react and what is produced? TL=orange. BL= orange. No reaction. This shows that bromine is less reactive than chlorine. 4 of 20 What is the colour of the TL and BL when potassium chloride and aqueous iodine react and what is produced? No reaction. This shows that iodine is less reactive than chlorine. 5 of 20 What is the solubility of iodide in ammonia? Dilute = no. Concentrated = no. 6 of 20 Write the ionic equation for bromide and aqueous ammonia. Include state symbols Ag+ (aq) + Br- (aq) = AgBr (s) 7 of 20 What is the colour of the TL and BL when potassium bromide and aqueous iodine react and what is produced? No reaction. This shows that iodine is less reactive than bromine. 8 of 20 What is the colour of the precipitate when iodide and aqueous ammonia react? Yellow. 9 of 20 What is the colour of the precipitate when chloride and aqueous ammonia react? White. 10 of 20 What is the colour of the TL and BL when potassium iodide and aqueous bromine react and what is produced? TL=purple. BL=brown. I₂ produced/released. This shows that bromine is more reactive than iodine. 11 of 20 What is the solubility of bromide in ammonia? Dilute = no. Concentrated = yes. 12 of 20 Write the ionic equation for chloride and aqueous ammonia. Include state symbols. Ag+ (aq) + Cl- (aq) = AgCl (s). 13 of 20 What is the colour of the TL and BL when potassium bromide and aqueous chlorine react and what is produced? TL=orange. BL=orange. Br₂ produced/released. This shows that chlorine is more reactive than bromine. 14 of 20 Write the ionic equation for iodide and aqueous ammonia. Include state symbols. Ag+ (aq) + I- (aq) = AgI (s). 15 of 20 What is the colour of the TL and BL when potassium chloride and aqueous iodine react and what is produced? No reaction. This shows that iodine is less reactive than chlorine. 16 of 20 What is the colour of the precipitate when bromide and aqueous ammonia react? Cream. 17 of 20 Write the equation for the thermal decomposition of magnesium carbonate. MgCO₃ (s) = MgO (s) + CO₃ (g) 18 of 20 Write the equation for magnesium oxide and water. MgO (s) + H₂O (l)= Mg(OH)₂ (aq) 19 of 20 What colour does this solution turn after adding universal indicator. State its pH and why it turns this colour. Turns blue of pH 10 because the hydroxide ions make the indicator go blue as they make an alkaline solution. 20 of 20
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