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Question

In a p-T diagram for pure substance, the melting line has highest inclination with respect to the positive horizontal axis representing temperature for which type of substance?

A.

Substance that contracts on freezing

B.

Substance that expands on freezing

C.

Substance that has same volume on freezing

D.

None of these

Answer ( Option B)

Substance that expands on freezing

Solution

In a p-T diagram for pure substance, the melting line has highest inclination with respect to the positive horizontal axis representing temperature for substance that expands on freezing.

 

Hence, the correct option is (B).

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