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# Why is ozone is thermodynamically unstable?

The ozone formation is actually endothermic, and oxygen is known to be less stable when combined with Heat as in speaking from the basis of thermodynamically. This is because oxygen decomposes in Ozone and then the Heat is liberated. Adding to this, Ozone is known to consist of 3 molecules of oxygen...

The ozone formation is actually endothermic, and oxygen is known to be less stable when combined with Heat as in speaking from the basis of thermodynamically. This is because oxygen decomposes in Ozone and then the Heat is liberated. Adding to this, Ozone is known to consist of 3 molecules of oxygen and is in an unstable state and is known to give out one molecule of oxygen for restoring a diatomic state. So basically immense quantities of Heat are released from this reaction, and the same is released to the atmosphere.

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Tutor

Here the Gibb's free energy is the determining factor. The chemical species with +G is considered to be thermodynamically unstable with respect to its element & they have spontaneous tendency to decompose to its constituents elements. For ozone G for formation is +163KJ/mol have tendency to spontaneous...
Here the Gibb's free energy is the determining factor. The chemical species with +G is considered to be thermodynamically unstable with respect to its element & they have spontaneous tendency to decompose to its constituents elements. For ozone G for formation is +163KJ/mol have tendency to spontaneous decomposition at 25 C & is thermodynamically unstable. The equilibrium constant for formation of ozone is less than one. But it survives because the reaction of decomposition of ozone to O2 is very slow. read less

Maths Tutor

When considering the thermodynamic stability of a compound we need to think about the Gibb's free energy. Compounds with a positive value of Gibb's free energy are thermodynamically unstable, while those with negative values are stable. For ozone G for formation is +163KJ/mol have tendency to spontaneous...
When considering the thermodynamic stability of a compound we need to think about the Gibb's free energy. Compounds with a positive value of Gibb's free energy are thermodynamically unstable, while those with negative values are stable. For ozone G for formation is +163KJ/mol have tendency to spontaneous decomposition at 25 C & is thermodynamically unstable. read less

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It is unstable because with respect to decomposition into oxygen which results in liberation of heat and entropy gets increased.

Tutor

Ozone is thermodynamically less stable than oxygen because its decomposition into oxygen results in the liberation of heat. Ozone consists of three molecules of oxygen and thus in this its in unstable state so in order to get stable it gives up its one molecule of oxygen to restore diatomic state. Eventually,...
Ozone is thermodynamically less stable than oxygen because its decomposition into oxygen results in the liberation of heat. Ozone consists of three molecules of oxygen and thus in this its in unstable state so in order to get stable it gives up its one molecule of oxygen to restore diatomic state. Eventually, in all thus process large amount of heat is released. Hope it helps. read less

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