Equilibrium questions
1777 published questions with worked solutions.
- A(g) ⇌ B(g) + (C/2)(g). The correct relationship between K_p, α and equilibrium pressure P is
- For the given reaction, choose the correct expression of K_C from the following. Fe³⁺(aq.) + SCN⁻(aq.) ⇌ (FeSCN)²⁺(aq.)
- The molar solubility of Zn(OH)_2 in 0.1 M NaOH is x 10^ -18 M. The value of x is _____(Nearest integer) (Given : The solubility...
- H_2SO_3 [Dibasic acid] c = 0.588 M. The pH of 0.588 M H_2SO_3 is ________. (Round off to the Nearest Integer)
- For the reaction A(g) B(g) at 495 K, _rG^0 = –9.478 kJ mol ^ -1 . If we start the reaction in a closed container at 495 K with 22...
- Two salts A_2X and MX have the same value of solubility product of 4.0 10^ -12 . The ratio of their molar solubilities i.e....
- Consider the reaction N_2O_4(g) 2NO_2(g). The temperature at which KC = 20.4 and K_P = 600.1, is____K. (Round off to the Nearest...
- 0.01 moles of a weak acid HA(K_a=2.0 10^ -6 ) is dissolved in 1.0 L of 0.1 M HCl solution. The degree of dissociation of HA is ——...
- The gas phase reaction 2A(g) A_2(g) at 400 K has G^0 = + 25.2 kJ mol^ -1 . The equilibrium constant K_C for this reaction is...
- The solubility of CdSO_4 in water is 8.0 10^ -4 mol L^ -1 . Its solubility in 0.01 M H_2SO_4 solution is ______ 10^ -6 mol L^ -1...
- In order to prepare a buffer solution of pH 5.74 sodium acetate is added to acetic acid. If the concentaration of acetic acid in...
- A solution is 0.1 M in Cl^- and 0.001 M in CrO_4^ 2- . Solid AgNO_3 is gradually added to it. Assuming that the addition does not...
- 2SO_2(g)+O_2(g) 2SO_3(g) In an equilibrium mixture, the partial pressures are P_ SO_3 = 43kPa; P_ O_2 = 530Pa, P_ SO_2 = 45 kPa....
- Value of K_P for the equilibrium reaction N_2O_4(g) 2NO_2(g) at 288 K is 47.9 . The K_C for this reaction at same temperature is...
- The solubility product of PbI_2 is 8.0 10^ -9 . The solubility of lead iodide in 0.1 molar solution of lead nitrate is x 10^ -6...
- Assuming ideal behaviour, the magnitude of log K for the following reaction at 25°C is x 10^ -1 . The value of x is ____....
- At 1990 K and 1 atm pressure, there are equal number of Cl_2 molecules and Cl atoms in the reaction mixture. The value K_P for...
- For the reaction A(g) (B)(g), the value of he equilibrium constant at 300 K and 1 atm is equal to 100.0. The value of _rG for the...
- At 25°C, the dissociation constant of a base, BOH, is 1.0 x 10^ -12 . The concentration of hydroxyl ions in 0.01 M aqueous...
- What is the correct relationship between the pHs of isomolar solutions of sodium oxide (pH_ 1 ), sodium sulphide (pH_ 2 ), sodium...
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