1.

In the reaction A+2B hArr 2C, if 2 moles of A, 3.0 moles of B and 2.0 moles of C are placed in a 2.0 I flask and the equilibrium ocncentration of C is 0.5 mole /I. The equlibrium constant (K_(c)) for the reaction is

Answer»

`0.073`
`0.147`
`0.05`
`0.026`

Solution :`A+2BhArr2C`
`{:("Initial conc.",2,3,2),("at eqm.",2.5,4,1),("MOLAR",(2.5)/(2)=1.25,(4)/(2)=2,(1)/(2)=0.5):}`
`K=([0.5]^(2))/([1.25]xx[2]^(2))=0.05`


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