1.

In the reaction, Fe(OH)_(3)hArrFe_(aq)^(3+)+3OH_(aq)^(-) if the concentration of OH^(-) ions is decreased by (1)/(4) times , then the equilibrium concentration of Fe^(3+) will increases by

Answer»

8 TIMES
16 times
64 times
4 times

Solution : `K_(c) = [X][3X]^(3)`
When concentration of `OH^(-)` oins is decreased by
`(1)/(4)` times , `K_(C)=[x.][(3x)/(4)]^(3)`….(II)
equating eq (i) and (ii)
`xxx(3x)^(3)=x.((3x))/(4)^(3)`
64x=x.


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