1.

Viscosity of sulphur increases when molten sulphur is heated from 120^(@)C" to "160^(@)C. Why

Answer»

SOLUTION :At `119^(@)C`, sulphur forms a clear mobile LIQUID.
A When this liquid is further HEATED, the cleavage of octaatomic ring structure occurs. Zig-zag OPEN chains are formed, which get interwound and tangled together. Hence sulphur BECOMES more viscous.


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