Equilibrium questions
1777 published questions with worked solutions.
- If the concentration of OH ^- ions in the reaction Fe(OH) _3 (s) Fe ^ 3+ (aq) + 3 OH ^- (aq) is decreased by 1 4 times, then...
- For the gas phase reaction, PCl _5 (g) PCl _3 (g) + Cl _2 (g) Which of the following conditions is correct?
- The dissociation equilibrium of a gas AB _2 can be represented as, 2 AB _2 (g) 2 AB(g) + B _2 (g) . The degree of dissociation is...
- Equimolar solutions of the following were prepared in water separately. Which one of the solutions will record the highest pH?
- The dissociation constants for acetic acid and HCN at 25^ are 1.5 10^ -5 and 4.5 10^ -10 respectively. The equilibrium constant...
- The ionization constant of ammonium hydroxide is 1.77 10^ -5 at 298 K. Hydrolysis constant of ammonium chloride is:
- What is the [ OH ^-] in the final solution prepared by mixing 20.0 mL of 0.050 M HCl with 30.0 mL of 0.10 M Ba(OH) _2?
- Match List I (Equations) with List II (Types of processes) and select the correct option. List I (Equations) (a) K_p > Q (b) G^ <...
- If pH of a saturated solution of Ba(OH) _2 is 12, the value of its K_ sp is:
- What is [ H ^+] in mol/L of a solution that is 0.20 M in CH _3 COONa and 0.10 M in CH _3 COOH ? (K_a for CH _3 COOH = 1.8 10^ -5 )
- In which of the following equilibrium K_c and K_p are not equal?
- In a buffer solution containing equal concentration of B ^- and HB , the K_b for B ^- is 10^ -10 . The pH of buffer solution is:
- In qualitative analysis, the metals of Group I can be separated from other ions by precipitating them as chloride salts. A...
- A buffer solution is prepared in which the concentration of NH _3 is 0.30 M and the concentration of NH _4^ + is 0.20 M . If the...
- The value of H for the reaction X _ 2(g) + 4 Y _ 2(g) 2 XY _ 4(g) is less than zero. Formation of XY _ 4(g) will be favoured at :
- If the E^ _ cell for a given reaction has a negative value, then which of the following gives the correct relationships for the...
- Given that the equilibrium constant for the reaction 2 SO _ 2(g) + O _ 2(g) 2 SO _ 3(g) has a value of 278 at a particular...
- Given the reaction between 2 gases represented by A _2 and B _2 to give the compound AB _ (g) . A _ 2(g) + B _ 2(g) 2 AB _ (g) At...
- Equimolar solutions of the following substances were prepared separately. Which one of these will record the highest pH value?
- Buffer solutions have constant acidity and alkalinity because:
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Alcohols, Phenols and EthersAldehydes, Ketones and Carboxylic AcidsAlternating CurrentAminesAnatomy of Flowering PlantsAncient Indian HistoryAnimal KingdomApplication of DerivativesArea Under CurveAromatic Compounds and Aryl HalidesAtomsBasic Mathematics and LogarithmBinomial TheoremBiodiversity and ConservationBiological ClassificationBiomoleculesBiotechnology and Its ApplicationsBiotechnology: Principles and ProcessesBody Fluids and CirculationBreathing and Exchange of GasesCell Cycle and Cell DivisionCell: The Unit of LifeChemical Bonding and Molecular StructureChemical Coordination and Integration