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Grade: 12th pass
        Sodium azide is thermodynamically more stable than hydrazoic acid -explain
2 years ago

Answers : (1)

Arun
23031 Points
							
Dear Ayan
 
An important factor to the stability of a material in solid form is the ability of the molecules to form ordered crystal structures. With azide salts like sodium azide the azide anion forms packed structures in a rather uniform geometry.
 

These ordered and layered geometries prevent reactive instability at Standard temperature and pressure. If these structures are broken via heating or another reactive species- heavy metals or halogens- then you’ll witness their instability.

Hydrazoic acid is unable to form the nice and neat geometries like the azide salts thus is less stable.

 

Regards

Arun (askIITians forum expert)

2 years ago
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