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JEE Main 20199 JanuaryMorning Shift
Exam
JEE Main
Year
2019
Date
9 January
Shift
Morning Shift
Subject
Chemistry
Chapter
Solutions

JEE Main 2019 · 9 January · Morning Shift · Chemistry · Solutions

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

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

Options

  1. ADifferent gases have different KH{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 solution
  3. CHigher the value of KH{K}_{H} at a given pressure, higher is the solubility of the gas in the liquids
  4. DThe value of KH{K}_{H} increases with increase of temperature and KH{K}_{H} is function of the nature of the gas

Correct answer

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

Step-by-step solution

p=KH.xp = {K}_{H} . x

Where KH={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 KH{K}_{H} increases as solubility of gas increases is a wrong statement.

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