Question

State one relevant observation for each of the following reactions :

1. Chlorine is passed through potassium iodide solution.​

Answer 1

Answer:

When chlorine (Cl2) gas is passed through an aqueous solution of potassium iodide (KI), the products formed are solid iodine (I2) and potassium chloride (KCl). This is a displacement reaction in which the less reactive iodine in potassium iodide is displaced by the more reactive chlorine. The equation can be written as:

2KI(aq)+Cl2(g)→2KCl(aq)+I2(s)

Explanation:

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