Assertion: In pressure temperature (P-T) phase diagram of water, the slope of the melting curve is found to be negative. Reason: Ice contracts on melting to water.

Question

Assertion: In pressure temperature (P-T) phase diagram of water, the slope of the melting curve is found to be negative. Reason: Ice contracts on melting to water. (A) If both assertion and reason are true and reason is the correct explanation of assertion (B) If both assertion and reason are true but reason is not the correct explanation of assertion (C) If assertion is true but reason is false (D) If both assertion and reason are false

Tardigrade Admin · Accepted Answer

The phase diagram that is pressure temperature diagram of water is as shown. In phase diagram of water, the solid-liquid phase boundary has a negative slope. This reflects the fact that ice has a lower density than water which is an usual property i.e., ice contracts on

Q. Assertion : In pressure temperature (P−T) phase diagram of water, the slope of the melting curve is found to be negative. Reason : Ice contracts on melting to water.

If both assertion and reason are true and reason is the correct explanation of assertion

If both assertion and reason are true but reason is not the correct explanation of assertion

If assertion is true but reason is false

If both assertion and reason are false

The phase diagram that is pressure temperature diagram of water is as shown. In phase diagram of water, the solid-liquid phase boundary has a negative slope. This reflects the fact that ice has a lower density than water which is an usual property i.e., ice contracts on

Q. Assertion : In pressure temperature $(P - T)$ phase diagram of water, the slope of the melting curve is found to be negative.
Reason : Ice contracts on melting to water.