Equilibrium questions
1777 published questions with worked solutions.
- The equilibrium Cr₂O₇²⁻ ⇌ 2CrO₄²⁻ is shifted to the right in:
- Given below are two statements: Statement (I): A Buffer solution is the mixture of a salt and an acid or a base mixed in any...
- Consider the following reaction N_2O_4(g) 2NO_2(g) ; H^0 = +58 kJ For each of the following cases (a, b), the direction in which...
- A soft drink was bottled with a partial pressure of CO_2 of 3 bar over the liquid at room temperature. The partial pressure of...
- For a reaction; X + Y 2Z, 1.0 mol of X, 1.5 mol of Y and 0.5 mol of Z were taken in a 1 L vessel and allowed to react. At...
- Arrange the following solution in the decreasing order pf pOH : (A) 0.01 M HCl (B) 0.01 M NaOH (C) 0.01 M CH_3COONa (D) 0.01 M...
- For the reaction – Fe_2N(s)+ 3 2 H_2(g) 2Fe(s)+NH_3(g)
- The variation of equilibrium constant with temperature is given below : Temperature T_1 = 25ºC, Equilibrium Constant K_1 = 100...
- The value of K_C is 64 at 800 K for the reaction N_2(g)+3H_2(g) 2NH_3(g) . The value of K_C for the following reaction is :...
- If the solubility product of AB_2 is 3.20 10^ -11 M^3, then the solubility of AB_2 in pure water is________ 10^ -4 mol L ^ -1 ....
- In which of the following equilibria, K_p and K_c are **NOT** equal?
- For the reaction 2A B+C, K_c=4 10^ -3 . At a given time, the composition of reaction mixture is : [A]=[B]=[C]=2 10^ -3 M. Then,...
- Consider the following reaction in a sealed vessel at equilibrium with concentrations of N_2=3.0 10^ -3 M, O_2=4.2 10^ -3 M and...
- During the preparation of Mohr's salt solution (Ferrous ammonium sulphate), which of the following acid is added to prevent...
- Find out the solubility of Ni(OH)_2 in 0.1 M NaOH. Given that the ionic product of Ni(OH)_2 is 2 10^ -15 .
- Hydrolysis of sucrose is given by the following reaction. Sucrose + H _2 O Glucose + Fructose If the equilibrium constant (K_c)...
- The pH of the solution containing 50 mL each of 0.10 M sodium acetate and 0.01 M acetic acid is : [Given pK_a of CH_3COOH = 4.57]
- 3 O _2(g) 2 O _3(g) for the above reaction at 298 K, K_c is found to be 3.0 10^ -59 . If the concentration of O_2 at equilibrium...
- In which of the following equilibria, K_p and K_c are NOT equal?
- At 25°C, 20.0 mL of 0.2 M weak monoprotic acid HX is titrated against 0.2 M NaOH. The pH of the solution (a) at the start of the...
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