Potassium Chlorate - KClO3

What is Potassium Chlorate?

Potassium Chlorate is an inorganic compound containing potassium, chlorine and oxygen, with the molecular formula KClO3.

It is also known as Fekabit or Fegabit or Kaliumchlorat. It is very flammable when mixed with combustible materials. It is a compound containing potassium, oxygen, and chlorine. It appears as a white crystalline substance in its pure form. It is the most widely used chlorate in industry.

The aqueous solution of potassium chlorate is a colourless liquid that is denser than water. It could be toxic when ingested. When it comes in contact it can irritate your eyes, skin, and mucous membranes. It has a cooling and saline taste.

Table of Contents

Potassium Chlorate Structure - KClO3

kclo3

Preparation of Potassium Chlorate

Potassium chlorate can be produced in three ways:

1. On the industrial scale, it can be produced via the Liebig process:

Step 1. Take hot calcium hydroxide.

Step 2. Pass chlorine into it.

Step 3. Add potassium chloride.

6 Ca(OH)2 + 6 Cl2 → Ca(ClO3)2 + 5 CaCl2 + 6 H2O

Ca(ClO3)2 + 2 KCl → 2 KClO3 + CaCl2

2. Potassium chlorate produced by disproportionation:

Step 1. In this method, first sodium chloride and sodium chlorate are formed by disproportionation of sodium hypochlorite.

Step 2. Then metathesis reaction takes place between potassium chlorate and potassium chloride.

3 NaOCl(aq) → 2 NaCl(s) + NaClO3(aq)

KCl(aq) + NaClO3(aq) → NaCl(aq) + KClO3(s)

3. Method three:

Step 1. Consider a hot solution of caustic potash.

Step 2. Pass chlorine gas into it.

3 Cl2(g) + 6 KOH(aq) → KClO3(aq) + 5 KCl(aq) + 3 H2O(l)

Properties of Potassium Chlorate - KClO3

KClO3 Potassium Chlorate Molecular Weight/ Molar Mass 122.55 g/mol Density 2.34 g/cm³ Boiling Point 400 °C Melting Point 356 °C

Uses Of Potassium Chlorate (KClO3)

Learn more about the chemical behaviour and importance of potassium chlorate (KClO3) from the expert faculties at BYJU’S - India’s largest education company.

Other important links:

Sodium Chloride Chlorine

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