Question

What happen when , chlorine gas react with cold and dilute solution of NaOH?

Answer 1

Answer:

Sodium hydroxide reacts with chlorine gas in different ways according to the concentration and temperature of the solution and it gives different products. NaOH and Cl2 reaction is an oxidation - reduction reaction and those reactions are more special because they are disproportionation reactions.

Reaction Types of NaOH + Cl2

Cold dilute NaOH and Cl2 reaction

Hot concentrated NaOH and Cl2 reaction

Cold Dilute NaOH and Cl2 reaction | NaOH + Cl2 = NaCl + NaOCl + H2O

Cold dilute sodium hydroxide and chlorine gas reaction is disproportionation. Chlorine gas is oxidized and reduced to OCl- ion and Cl- ion respectively. As products sodium chloride, sodium chlorate(i) and water are given.

Hypochlorite ion | chlorate ion(i) - OCl-

Sodium chloride - NaCl

Sodium chlorate(i) - NaOCl

Aqueous NaCl, NaOCl solution is called as the Milton solution. Hypochlorite ion exists in bleaching powder.

Chemical Balanced Equation

cold dilute NaOH + Cl2

In hypochlorite ion, chlorine atom is in the +1 oxidation state. In NaCl, chlorine is at -1 oxidation state.

Explanation:

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