CBSE Class 10 Science 2019 · Paper 31/1/1 · Question 6(b)
Identify the type of reactions taking place in each of the following cases and write the balanced chemical equation for the reactions.
- (a)Zinc reacts with silver nitrate to produce zinc nitrate and silver.
- (b)Potassium iodide reacts with lead nitrate to produce potassium nitrate and lead iodide.
Answer
Zinc and silver nitrate form a displacement reaction; potassium iodide and lead nitrate form a double displacement (precipitation) reaction.
(a) Displacement reaction (zinc is more reactive than silver):
(b) Double displacement (precipitation) reaction, giving a yellow precipitate of lead iodide:
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