Question

Write 5 double displacement reactions

Answer 1

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1)several categories,

2) including counter-ion exchange,

3) alkylation,

4) neutralization,

5) acid-carbonate reactions,

Answer 2

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• When a solution of barium chloride is mixed with sodium sulphate, a white precipitate of barium sulphate is formed rapidly.
• Reaction is the reaction between silver nitrate and sodium chloride in water.
• BaCl2(aq) + Na2SO4(aq) → BaSO4(s) + 2 NaCl(aq)
• Pb(NO3)2(aq) + 2 KI(aq) → 2 KNO3(aq) + PbI2(s)
• NaHCO3 + CH3COOH(aq) → H2CO3 + NaCH3COO