Types of Equillibrium

Q.

For the reaction $N_2\left(g\right)+3H_2\left(g\right)\rightleftharpoons 2N{H}_3\left(g\right),\Delta H=-93.6kJmo{l}^{-1}$. The concentration of $H_2$ at equilibrium will increase if

1. The volume of the system is decreased

2. is added at constant volume

3. is removed

4. The temperature is lowered

Q. 12 The equilibrium const. for a reaction is 10. What will be value of G^° ?

Q. Assertion (A): Water boiling in an open vessel at a fixed temperature is an example of physical equilibrium.
Reason (R): Temperature does not change during the process of boiling. Which of the following is correct?

1. Both A & R are correct and R is correct explanation of A.
2. Both A & R are correct but R is not a correct explanation of A.
3. A is true but R is false
4. A is false but R is true.

Q.

Which is not the characteristics of equilibrium?

1. The pressure, temperature, enthalpy change of the system is zero.

2. Rate of forward is equal to the rate of backward reaction

3. Reaction completely cease at equilibrium

4. The concentrations of reacting substances remains static

Q. Difference between Reaction Quotion and equilibrium cons†an t, ?

Q. Which of the following is an example of heterogeneous equilibrium?

1. $2S{O}_2\left(g\right)+O_2\left(g\right)\rightleftharpoons 2S{O}_3\left(g\right)$
2. $C{H}_{3}COOH\left(aq\right)+C{H}_{3}C{H}_{2}OH\left(aq\right)\rightleftharpoons C{H}_{3}COOC{H}_{2}C{H}_3\left(aq\right)+H_{2}O\left(l\right)$
3. $3Fe\left(s\right)+4H_{2}O\left(g\right)\rightleftharpoons F{e}_3{O}_4\left(s\right)+4H_2\left(g\right)$
4. All of the above

Q.

what is chemical equilibrium