Equilibrium questions
1777 published questions with worked solutions.
- Formation of nylon salt from adipic acid and hexamethylenediamine is __________ reaction.
- Equilibrium constant K_p for following reaction : MgCO _3(s) MgO (s) + CO _2(g)
- Correct relation b/w dissociation constants of a di-basic acid :
- For any reversible reaction, if we increase concentration of reactants, then effect on equilibrium constant :
- Which statement is wrong about pH and H ^+ :
- Ionisation constant of CH _3 COOH is 1.7 10^ -5 and concentration of H ^+ ions is 3.4 10^ -4 . Then find out initial...
- Solubility of a M _2 S salt is 3.5 10^ -6 then find out solubility product : -
- Reaction BaO _2 (s) BaO(s) + O _2 (g) ; H = + ve. In equilibrium condition. Pressure of O _2 depends on :
- Solubility of MX _2 - type electrolytes is 0.5 10^ -4 Mole/lit. then find out K_ sp of electrolytes :
- Solution of 0.1 N NH _4 OH and 0.1 N NH _4 Cl has pH 9.25, Then find out pK_b of NH _4 OH :
- The reaction quotient (Q) for the reaction : N _2(g) + 3 H _2(g) 2 NH _3(g) is given by Q = [ NH _3]^2 [ N _2][ H _2]^3 . The...
- The solubility product of AgI at 25^ is 1.0 10^ -16 mol ^2 L ^ -2 . The solubility of AgI in 10^ -4 N solution of KI at 25^ is...
- The solubility product of a sparingly soluble salt AX _2 is 3.2 10^ -11 . Its solubility (in moles/litre) is :-
- The rapid change of pH near the stoichiometric point of an acid-base titration is the basis of indicator detection. pH of the...
- Which of the following pairs constitutes a buffer:-
- The hydrogen ion concentration of a 10^ -8 M HCl aqueous solution at 298 K (K_W = 10^ -14 ) is:-
- Calculate the pOH of a solution at 25^ C that contains 1 10^ -10 M of hydronium ions, i.e. H _3 O ^+ :
- A weak acid, HA has a K_a of 1.00 10^ -5 . If 0.100 mol of this acid is dissolved in one litre of water, the percentage of acid...
- The value of equilibrium constant of the reaction HI(g) 1 2 H _2 (g) + 1 2 I _2 (g) is 8.0 The equilibrium constant of the...
- Equal volumes of three acid solutions of pH 3, 4 and 5 are mixed in a vessel. What will be the H ^+ ion concentration in the...
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