Which of the following statements is NOT correct?

  • A The average kinetic energy of a gas is directly proportional to its temperature
  • B At constant tempearture, the volume of a gas increases as the pressure increases
  • C The pressure of a gas is inversely proportional to the density
  • D The temperature of a gas is directly proportional to its volume
jamb 1988chemistry

The correct answer is B. At constant tempearture, the volume of a gas increases as the pressure increases

Boyle's law is a gas law, stating that the pressure and volume of a gas have an inverse relationship. If volume increases, then pressure decreases.

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