NEET Exam Model Paper 4

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Question : 169 of 180
 
Marks: +1, -0
For the reaction
2NO2(g)2NO(g)+O2(g),Kc=1.8×106
at 185°C.At same temperature, the Kc for NO(g)+
1
2
O2(g)
NO2(g)
is
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