1. Tardigrade
  2. Question
  3. Chemistry
  4. Consider the reaction where Kp = 0.497 at 500 K. PCl5(g) leftharpoons PCl3(g) +Cl2(g) If the three gases are mixed in a rigid container so that the partial pressure of each gas is initially 1 atm. Which is true?

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Q. Consider the reaction where $K_p = 0.497$ at 500 K.
$ PCl_5(g) \rightleftharpoons PCl_3(g) +Cl_2(g)$
If the three gases are mixed in a rigid container so that the partial pressure of each gas is initially 1 atm. Which is true?

Odisha JEEOdisha JEE 2009Equilibrium

Solution:

$Q_p = \frac{P_{PCl_3} \times P_{Cl_2} }{P_{PCl_5}}$
$\, \, \, \, \, \, =\frac{1\, atm \times 1\, atm}{1\, atm}=1$