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JEE Main20199 Jan 2019Morning ShiftChemistrySolutionsActual

Which one of the following statements regarding Henry's law is not correct?

Options

  1. ADifferent gases have different K H (Henry's law constant) values at the same temperature
  2. BThe partial pressure of the gas in vapour phase is proportional to the mole fraction of the gas in the solutio
  3. CHigher the value of K H at a given pressure, higher is the solubility of the gas in the liquids
  4. DThe value of K H increases with increase of temperature and K H is function of the nature of the gas

Correct answer

C. Higher the value of K H at a given pressure, higher is the solubility of the gas in the liquids

Step-by-step solution

p = K H . x Where K H = Henry law constant p = partial pressure x = amount soluble Henry's constant increases with increase in temperature while it decreases with increase in solubility. Hence value of K H increases as solubility of gas increases is a wrong statement.

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