Which of the following statements are correct ?
I) At 273 K, both ice and water co-exist

II) Ice at $0 ° C$ is more effective in cooling a substance than water at $0 ° C$

III) Particles in water at $0 ° C$ have more energy as compared to particles in ice at the same temperature

IV) Increase in pressure increases the freezing point of ice

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III and IV only

I, II, III and IV

I, II and III only

I and IV only

answer is B.

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Detailed Solution

Increase in pressure, decreases the freezing point of ice because by increasing pressure molecules tend to close to each other.

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