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Q.

NO2 is involved in the formation of smog and acid rain. A reaction that is important in the formation of NO2 is O9(g)+NO(g)O2(g)+NO2(g); Kc=6×1094 , if the air over KOTA contained 1×10-6 MO31×10-5 MNO2. 5×10-4 MNO2 and 8.2×103MO2 , what can we conclude?

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a

There will be a tendency to form more NO and O3

b

There will be a tendency to form more NO2 and O2

c

There will be a tendency to form more NO2 and
O3

 

d

There will be no tendency for change because the reaction is at equilibrium

answer is B.

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Detailed Solution

For the given reaction,

O3(g)+NO(g)O2(g)+NO2(g)

Given, The value of KC=61034

For the above reaction equilibrium quotient is,

Q=O2NO2O3[NO]

Q=8.2×1032.5×1041.0×1061.0×105

Q=8.2×2.5×104

Q=20.5×104

As Q<KC the reaction will hive a tendency to move forward.

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