Question

Explain using diagram how potassium forms the compound potassium fluoride when it reacts with fluorine​

Answer 1

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Answer 2

Answer:

Potassium Fluoride Uses

1.Used as a fluoridating agent in the precipitation of organic chemicals

2.Used as a flux in the field of metallurgy

3.Used in the manufacture of optical glasses

4.Used to make disinfectants, pesticides and insecticides

Potassium fluoride is prepared by dissolving potassium carbonate in hydrofluoric acid. Evaporation of the solution forms crystals of potassium bifluoride. The bifluoride on heating yields potassium fluoride:

K2CO3 + 4HF → 2KHF2 + CO2↑ + H2O

KHF2 → KF + HF↑

Platinum or heat resistant plastic containers are often used for these operations.

Potassium chloride converts to KF upon treatment with hydrogen fluoride. In this way, potassium fluoride is recyclable.