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Le Chatelier's Principle for Del N Greater Than Zero

Which of the ...

Question

Which of the following reactions will not be affected by increasing the pressure?

P C l_{5} (g) ⇌ P C l_{3} (g) + C l_{2} (g)

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N_{2} (g) + O_{2} (g) ⇌ 2 N O (g)

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C a C O_{3} (s) ⇌ C a O (s) + C O_{2} (g)

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C O (g) + H_{2} O (g) ⇌ C O_{2} (g) + H_{2} (g)

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Solution

The correct options are
B $N_{2} (g) + O_{2} (g) ⇌ 2 N O (g)$
D $C O (g) + H_{2} O (g) ⇌ C O_{2} (g) + H_{2} (g)$
Reactions which have $Δ n = 0$ won't be affected by any change in pressure.
a. $Δ n = 1 + 1 - 1 = 1$
b. $Δ n = 2 - (1 + 1) = 0$
c. $Δ n = 1 - 0 = 1$
d. $Δ n = 1 + 1 - (1 + 1) = 0$
$Δ n$ is zero in (b) and (d), so (b) and (d) are not effected by pressure.

Suggest Corrections

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K_{P} = K_{C}

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C O C l_{2} (g) ⇌ C O (g) + C l_{2} (g)

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(1) H_{2} O (g) ⇌ H_{2} (g) + \frac{1}{2} O_{2} (g) (2) C a C O_{3} (s) ⇌ C a O (s) + C O_{2} (g) (3) C (s) + H_{2} O (g) ⇌ H_{2} (g) + C O (g)

C a O (s) + H_{2} (g) ⇌ C a (s) + H_{2} O (g)

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K_{c}

C O_{2} (g) + H_{2} (g) ⇌ C O (g) + H_{2} O (g)

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