Chemical Equilibrium · Chemistry · NEET

At a given temperature and pressure, the equilibrium constant values for the equilibria are given below: $$\begin{aligned} & 3 \mathrm{~A}_2+\mathrm{B...

For the reaction in equilibrium $$\mathrm{N}_2(\mathrm{~g})+3 \mathrm{H}_2(\mathrm{~g}) \rightleftharpoons 2 \mathrm{NH}_3(\mathrm{~g}), \Delta \mathr...

In which of the following equilibria, $$\mathrm{K}_p$$ and $$\mathrm{K}_{\mathrm{c}}$$ are NOT equal?

For the reaction $$2 \mathrm{~A} \rightleftharpoons \mathrm{B}+\mathrm{C}, \mathrm{K}_{\mathrm{c}}=4 \times 10^{-3}$$. At a given time, the compositio...

Consider the following reaction in a sealed vessel at equilibrium with concentrations of $$\mathrm{N}_2=3.0 \times 10^{-3} \mathrm{M}, \mathrm{O}_2=4....

For a weak acid HA, the percentage of dissociation is nearly 1% at equilibrium. If the concentration of acid is 0.1 mol L$$^{-1}$$, then the correct o...

Kp for the following reaction is 3.0 at 1000 K. CO2(g) + C(s) $$\rightleftharpoons$$ 2CO(g) What will be the value of Kc for the reaction at the same ...

3O2(g) $$\rightleftharpoons$$ 2O3(g) for the above reaction at 298 K, Kc is found to be 3.0 $$\times$$ 10$$-$$59. If the concentration of O2 at equili...

Which one of the following conditions will favour maximum formation of the product in the reaction A2(g) + B2(g) ⇌ X2(g) , $$\Delta $$rH = –X kJ ?...

The equilibrium constants of the following are N2 + 3H2 $$\rightleftharpoons$$ 2NH3;     K1 N2 + O2 $$\rightleftharpoons$$ ...

A 20 litre container at 400 K contains CO2(g) at pressure 0.4 atm and an excess of SrO (neglect the volume of solid SrO). The volume of the container ...

Consider the following liquid-vapour equilibrium. Liquid $$\rightleftharpoons$$ Vapour Which of the following relations is correct ?

If the equilibrium constant for N2(g) + O2(g) $$\rightleftharpoons$$ 2NO(g) is K, the equilibrium constant for $${1 \over 2}$$ N2(g) + $${1 \over 2}...

Which of the following statements is correct for a reversible process in a state of equilibrium?

If the value of equilibrium constant for a particular reaction is 1.6 $$ \times $$ 1012, then at equilibrium the system will contain

Using the Gibb's energy change, $$\Delta $$Go = +63.3 kJ, for the following reaction, Ag2CO3(s) $$\rightleftharpoons$$ 2 Ag+(aq) + CO32$$-$$ (aq) th...

For a given exothermic reaction, Kp and K'p are the equilibrium constants at temperatures T1 and T2, respectively. Assuming that heat of reaction is...

For the reversible reaction, N2(g) + 3H2(g) $$\rightleftharpoons$$ 2NH3(g) + heat The equilibrium shifts in forward direction...

Given the reaction between 2 gases represented by A2 and B2 to give the compound AB(g), A2(g) + B2(g) $$\rightleftharpoons$$ 2AB(g) At equilibrium,...

Given that the equilibrium constant for the reaction, 2SO2(g) + O2(g) $$\rightleftharpoons$$ 2SO3(g) has a value of 278 at a particular temperature....

The value of $$\Delta $$H for the reaction X2(g) + 4Y2(g) $$\rightleftharpoons$$ 2XY4(g) is less than zero. Formation of XY4(g) will be favoured at ...

For the reaction, N2(g) + O2(g) $$\rightleftharpoons$$ 2NO(g), the equilibrium constant is K1. The equilibrium constant is K2 for the reaction, 2NO(g...

The reaction, 2A(g) + B(g) $$\rightleftharpoons$$ 3C(g) + D(g) is begun with the concentrations of A and B both at an initial value of 1.00 M. When...

In which of the following equilibrium Kc and Kp are not equal?

The dissociation constants for acetic acid and HCN at 25oC are 1.5 $$ \times $$ 10$$-$$5 and 4.5 $$ \times $$ 10$$-$$10 respectively. The equilibri...

The dissociation equilibrium of a gass AB2 can be represented as : 2AB2(g) $$\rightleftharpoons$$ 2AB(g) + B2(g) The degree of dissociation is x and...

If the concentration of OH$$-$$ ions in the reaction Fe(OH)3(s) $$\rightleftharpoons$$ Fe3+(aq) + 3OH$$-$$(aq) is decreased by 1/4 times, then equil...

The values of for the reactions, X $$\rightleftharpoons$$ Y + Z      . . . .(i) A $$\rightleftharpoons$$ 2B  &...

The value of equilibrium constant of the reaction HI(g) $$\rightleftharpoons$$ $${1 \over 2}$$H2(g) + $${1 \over 2}$$I2(g) is 8.0. The The equilibriu...

The equilibrium constants of the following are N2 + 3H2 $$\rightleftharpoons$$ 2NH3;     K1 N2 + O2 $$\rightleftharpoons$$ ...

For the reaction : CH4(g) + 2O2(g) $$\rightleftharpoons$$ CO2(g) + 2H2O(l), $$\Delta $$Hr = $$-$$ 170.8 kJ mol$$-$$1. Which of the following state...

Equilibrium constants K1 and K2 for the following equilibriam: are related as ...

The equilibrium constants of the following are N2 + 3H2 $$\rightleftharpoons$$ 2NH3;     K1 N2 + O2 $$\rightleftharpoons$$ ...

The reaction quotient (Q) for the reaction N2(g) + 3H2(g) $$\rightleftharpoons$$ 2NH3(g) is given by $$Q = {{{{\left[ {N{H_3}} \right]}^2}} \over {\...

Reaction BaO2(g) $$\rightleftharpoons$$ BaO(s) + O2(g); $$\Delta $$H = +ve. In equilibrium condition, pressure of O2 depends on ...

For any reversible reaction, if we increase concentration of the reactants, then effect on equilibrium constant

Equilibrium constant Kp for following reaction MgCO3(s) $$\rightleftharpoons$$ MgO(s) + CO2(g)