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NTA Abhyas NEET2020ChemistryChemical EquilibriumPractice

The melting points of most of the solid substances increase with an increase of pressure acting on them. However, ice melts at a temperature lower than its usual melting point, when the pressure increases. This is because

Options

  1. AIce is less dense water
  2. BPressure generates heat
  3. CThe bonds break under pressure
  4. DIce is not a true solid

Correct answer

A. Ice is less dense water

Step-by-step solution

Ice ⇌ water As volume of water is less than that of ice so according to Le chatelier's principle high pressure is required for melting of ice and to make PV constant.

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