Chemical And Ionic Equilibrium MCQs with Explanations

5.0 × 10-4, 3.5 × 10-4, 13.5 × 10-3 is the correct answer to “In the mixture obtained by mixing 25.0 mL × 1.2 × 10 -3 MMnCl 2 and 35.0 mL of 6.0 × 10 -4 M KCl solution, the concentration (M) of Mn 2+ , K + and CI - ions respectively are”. This question is standard in competitive examination syllabi for Chemical And Ionic Equilibrium.

0.0512 is the correct answer to “An aqueous solution containing m moles of non-volatile solute freezes at -0.186°C. The elevation in the boiling point of the same aqueous solution (K f = 1.86°, K b = 0.512°) would be”. This question is standard in competitive examination syllabi for Chemical And Ionic Equilibrium.

3Fe(s) + 4H2O(g) $$ \rightleftharpoons $$ Fe3O4(s) + 4H2(g) is the correct answer to “Among the following, the equilibrium which is not affected by an increase in pressure is”. This question is standard in competitive examination syllabi for Chemical And Ionic Equilibrium.

3 is the correct answer to “The number of degrees of freedom for a system consisting of NaCl(s), Na + (aq) and Cl - (aq) at equilibrium is”. This question is standard in competitive examination syllabi for Chemical And Ionic Equilibrium.

Particles exert same force per unit area on all sides of the container is the correct answer to “As per the kinetic theory of ideal gases, which of the following statements is not correct”. This question is standard in competitive examination syllabi for Chemical And Ionic Equilibrium.

2 is the correct answer to “The number of degrees of freedom of a system consisting of solid sucrose in equilibrium with an aqueous solution of sucrose is”. This question is standard in competitive examination syllabi for Chemical And Ionic Equilibrium.

$${\left( {\frac{{\partial p}}{{\partial T}}} \right)_V}{\left( {\frac{{\partial T}}{{\partial V}}} \right)_p}{\left( {\frac{{\partial V}}{{\partial p}}} \right)_T} = 0$$ is the correct answer to “For an ideal gas,”. This question is standard in competitive examination syllabi for Chemical And Ionic Equilibrium.

1 is the correct answer to “If a gas obeys equation of state p(V - nb) = nRT, the ratio $$\frac{{\left( {{C_p} - {C_V}} \right)}}{{{{\left( {{C_p} - {C_V}} \right)}_{{\text{ideal}}}}}}$$ is”. This question is standard in competitive examination syllabi for Chemical And Ionic Equilibrium.

inversely proportional to square of the molar volume is the correct answer to “The internal pressure of a van der Waals gas is”. This question is standard in competitive examination syllabi for Chemical And Ionic Equilibrium.

16 is the correct answer to “Under the equilibrium conditions for the reaction, C(s) + CO 2 (g) $$ \rightleftharpoons $$ 2CO(g), the total pressure is 12 atm. The value of K p is”. This question is standard in competitive examination syllabi for Chemical And Ionic Equilibrium.

first order phase transition is the correct answer to “According to the Ehrenfest classification of phase transition the above diagram refers to”. This question is standard in competitive examination syllabi for Chemical And Ionic Equilibrium.

$$p = \frac{{2{N_A}\overline \varepsilon }}{{3V}}$$ is the correct answer to “For 1 mol of a monoatomic ideal gas, the relation between pressure (p), volume (V) and average molecular kinetic energy $$\left( {\overline \varepsilon } \right)$$ is”. This question is standard in competitive examination syllabi for Chemical And Ionic Equilibrium.

Kp1 = $${\text{K}}_{{\text{p2}}}^2$$ is the correct answer to “For the pair of reactions given below, (i) N 2 (g) + 3H 2 (g) $$ \rightleftharpoons $$ 2NH 3 (g) (ii) $$\frac{1}{2}$$N 2 (g) + $$\frac{3}{2}$$H 2 (g) $$ \rightleftharpoons $$ NH 3 (g) If at a particular temperature, K p1 and K p2 are the equilibrium constants for reactions (i) and (ii) respectively then”. This question is standard in competitive examination syllabi for Chemical And Ionic Equilibrium.

B10H14 > B5H9 > B4H10 > B2H6 is the correct answer to “The Bronsted acidity of boron hydrides follows the order”. This question is standard in competitive examination syllabi for Chemical And Ionic Equilibrium.

6.76 is the correct answer to “The pH of buffer solution containing 4 × 10 -3 and 0.4 moles of acetic acid (pK a = 4.76) and sodium acetate respectively will be”. This question is standard in competitive examination syllabi for Chemical And Ionic Equilibrium.

-0.0186 K is the correct answer to “The freezing point constant for water is 1.86 K (mol/kg) -1 . The freezing point when 0.01 mol glucose is added to 1 kg water is”. This question is standard in competitive examination syllabi for Chemical And Ionic Equilibrium.

triple point is the correct answer to “On the pressure-temperature diagram for a one-component system, the point where the solid-liquid and the liquid-gas curves intersect is”. This question is standard in competitive examination syllabi for Chemical And Ionic Equilibrium.

depends on both p and T is the correct answer to “The triple point for water is”. This question is standard in competitive examination syllabi for Chemical And Ionic Equilibrium.