Question

Potassium reacts explosively with hydrochloric acid. Predict how vigorously it reacts with oxygen and the product of the reaction. Explain your answer

Answer 1

Final answer:

Potassium lies on the top of the reactivity series, which means that it is highly reactive. Therefore it reacts violently with oxygen. When potassium comes in contact with air, potassium oxide, potassium peroxide and potassium superoxide are formed.

The reaction: $8K+4O_{2}$ → $2K_{2}O+2KO_{2}+K_{2}O_{2}$

Given that: We are given potassium reacts explosively with hydrochloric acid.

To find: We have to find how vigorously it reacts with oxygen and the product of the reaction.

Explanation:

• Potassium reacts with the hydrochloric acid vigorously and a large amount of heat energy is released causing the hydrogen gas to explode.
• The reaction is very quick and is found to be highly explosive.

The reaction: $2K+ 2HCl$ → $2KCl +H_{2}$

• Potassium lies on the top of the reactivity series, which means that it is highly reactive. Therefore it reacts violently with oxygen in the air and forms oxides with oxygen-oxygen bonds.
• Potassium oxidizes very fast as compared to other metals.
• When potassium comes in contact with air, potassium oxide, potassium peroxide and potassium superoxide are formed.

The reaction: $8K+4O_{2}$ → $2K_{2}O+2KO_{2}+K_{2}O_{2}$

Potassium oxide:

• Ionic compound.
• Pale yellow solid.
• Highly reactive.

Potassium peroxide:

• Form potassium hydroxide and oxygen when it reacts with water.

Potassium superoxide:

• Paramagnetic solid.
• Decomposes in moist air.

To know more about the concept please go through the links

https://brainly.in/question/48596051

https://brainly.in/question/44445389

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