Question

Why melting point of organic compound is considered as criteria of purity​

Answer 1

The melting point can be used to identify a substance and as an indication of its purity.

For a material whose identity is known, an estimate of degree of purity can be made by comparing its melting point with that of a pure sample.

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Answer 2

Answer:

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Explanation:

The melting point can be used to identify a substance and as an indication of its purity. ... The melting point range of > 5oC indicates that the substance is impure. For a material whose identity is known, an estimate of degree of purity can be made by comparing its melting point with that of a pure sample.