At chemical equilibrium, which of the following statements is correct regarding the rate of forward reaction ($r_f$) and backward reaction ($r_b$)?
What is the correct mathematical relationship between $K_p$ and $K_c$ for a gaseous reaction?
What is the value of $\Delta n_g$ for the synthesis of ammonia: $N_2(g) + 3H_2(g) \rightleftharpoons 2NH_3(g)$?
According to the Lewis concept, an acid is defined as a substance that:
Which of the following is the conjugate base of $HCO_3^-$?
What is the pH of a $10^{-3} \text{ M } HCl$ solution at $298 \text{ K}$?
What is the value of ionic product of water ($K_w$) at $298 \text{ K}$?
Which of the following mixtures forms an acidic buffer solution?
What is the effect of adding a catalyst to a reversible chemical reaction at equilibrium?
According to Le Chatelier's principle, increasing the temperature of an endothermic reaction shifts the equilibrium position in which direction?
If the solubility of a sparingly soluble salt $AgCl$ is $S \text{ mol L}^{-1}$, what is its solubility product ($K_{sp}$)?
What is the conjugate acid of $NH_3$?
Which of the following salts will produce a basic solution when dissolved in water?
Ostwald's dilution law is strictly applicable to which type of electrolytes?
If the Reaction Quotient ($Q_c$) is greater than the Equilibrium Constant ($K_c$), in which direction will the reaction proceed?
What is the relationship between solubility ($S$) and solubility product ($K_{sp}$) for a salt of $MX_2$ type?
Which of the following compounds behaves as a Lewis base?
What is the pH of pure water at $298 \text{ K}$?
The suppression of dissociation of a weak electrolyte by the addition of a strong electrolyte containing a common ion is called:
For the gaseous equilibrium $PCl_5(g) \rightleftharpoons PCl_3(g) + Cl_2(g)$, how will increasing total pressure affect the equilibrium?