KEAM 2010 Physics and Chemistry Paper

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Question : 108 of 119
 
Marks: +1, -0
Consider the following reactions in which all the reactants and the products are in gaseous state.
2PQ⇌P2+Q2;K1=2.5×105
PQ+‌
1
2
R2
⇌PQR
;‌‌K2=5×10−3

The value of K3 for the equilibrium
‌
1
2
P2
+‌
1
2
Q2
+‌
1
2
R2
⇌PQR
,
is
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