`N_(2)O_(4) hArr 2NO_(2), K_(c)=4`. This reversible reaction is studied graphically as shown in the figure. Select the correct statement out of `I, II` and `III`. I : Reaction quotient has maximum value at point `A` II : Reaction proceeds left to right at a point when `[N_(2)O_(2)]=[NO_(2)]=0.1 M` III : `K=Q` when point `D` or `F` is reached: A. I, IIB. II, IIIC. IID. I, II, III

`N_(2)O_(4) hArr 2NO_(2), K_(c)=4`. This reversible reaction is studie

1.	`N_(2)O_(4) hArr 2NO_(2), K_(c)=4`. This reversible reaction is studied graphically as shown in the figure. Select the correct statement out of `I, II` and `III`. I : Reaction quotient has maximum value at point `A` II : Reaction proceeds left to right at a point when `[N_(2)O_(2)]=[NO_(2)]=0.1 M` III : `K=Q` when point `D` or `F` is reached: A. I, IIB. II, IIIC. IID. I, II, III
Answer» Correct Answer - B `N_(2)O_(4)(g) hArr 2NO_(2)(g), K_(c )=4` From graph, at point `A, Q=0` When `[N_(2)O_(4)]=[NO(2)]=0.1 M` `rArr Q=([NO_(2)]^(2))/([N_(2)O_(4)])=0.1 lt K_(c ) rArr ` Reaction is movind in forward direction. At point `D` or `F[NO_(2)]` and `[N_(2)O_(4)]` is constant with time `rArr` Achivement of chemical equilibrium.

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