Question

A substance exists in the solid, liquid, and gaseous states at three different temperatures. The temperatures and their corresponding states are shown in the table. States of a Substance State Temperature A 342 °C B −18 °C C −2 °C Which of the following is the correct order of the relative strengths of the intermolecular forces in the three states? A > B > C A > C > B B > C > A C > B > A

Answer 1

Answer:

Melting Point is the temperature at which solid and liquid states of matter co exist.

For example :Ice melts at 0°C to form liquid water so the melting point of ice is 0° .  

At melting point , the temperature remains constant till complete ice turns into liquid.

Hence at 0°C both the state of matter co exist that is solid and liquid

ans A >C>B

Answer 2

Answer:

The physical state of a substance and its phase-transition temperatures are ... combines plots of pressure versus temperature for the liquid-gas, solid-liquid, and ... a temperature of 50 °C correspond to the “water” region—here, water exists

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