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For the Reaction : 2 N O ( G ) − ⇀ ↽ − N 2 ( G ) + O 2 ( G ) ; δH = -heat Kc = 2.5 × 102 at 298k What Will Happen to the Concentration of N2 If : (1) Temperature is Decreased to 273 K. - Chemistry (Theory)

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Question

For the reaction :

\[\ce{2NO_{(g)} ⇌ N2_{(g)} + O2_{(g)}}\];

ΔH = -heat

K= 2.5 × 10at 298K

What will happen to the concentration of Nif :

(1) Temperature is decreased to 273 K.

(2) The pressure is reduced

Short Note

Solution

\[\ce{2NO_{(g)} ⇌ N2_{(g)} + O2_{(g)}}\];

ΔH = -Heat

K= 2.5 × 10at 298K

(1) If temperature is decreased conc. of Nwill increase [∵ ΔH = -heat]

(2) No effect (∵ `Δ"n"_("g") = 0`)

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2015-2016 (March)

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