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Le Chatelier's Principle for Del N Greater Than Zero

Which among t...

Question

Which among the following reactions, the forward reaction will be favoured at low pressure?

N_{2} (g) + O_{2} (g) ⇌ 2 N O (g)

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H_{2} (g) + I_{2} (g) ⇌ 2 H I (g)

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

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N_{2} (g) + 3 H_{2} (g) ⇌ 2 N H_{3} (g)

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Solution

The correct option is C $P C l_{5} (g) ⇌ P C l_{3} (g) + C l_{2} (g)$
On lowering the pressure, equilibrium favours the direction where number of moles are more.
In option C number of moles on product side is more. So, on lowering pressure this reaction favours forward direction.

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Similar questions

2 H I_{(g)} ⟶ H_{2 (g)} + I_{2 (g)}

2 N H_{3 (g)} ⟶ N_{2 (g)} + 3 H_{2 (g)}

2 N O_{(g)} ⟶ N_{2 (g)} + O_{2 (g)}

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

log \frac{K_{p}}{K_{c}} + log R T = 0

log \frac{K_{P}}{K_{C}} + log R T = 0

C O_{2} (g) + C (s) \to 2 C O (g)

Δ H = + 172.5

N_{2} (g) + 3 H_{2} (g) \to 2 N H_{3} (g)

Δ H = - 91.8

N_{2} (g) + O_{2} (g) \to 2 N O (g)

Δ H = + 181

2 H_{2} O (g) \to 2 H_{2} (g) + O_{2} (g); Δ H = 484.6

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

2 H I (g) ⇌ H_{2} (g) + I_{2} (g)

N_{2} (g) + 3 H_{2} (g) ⇌ 2 N H_{3} (g)

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