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Physical Chemistry
Some Basic Concepts of ChemistryAtomic StructureStates of MatterThermodynamicsChemical EquilibriumIonic EquilibriumLiquid SolutionRedox ReactionsSurface ChemistrySolid StateElectrochemistryChemical Kinetics
Inorganic Chemistry
Periodic Table and PeriodicityChemical Bonding and Molecular StructureMetallurgyHydrogen and It's Compoundss-Block Elementsp-Block Elementsd and f Block ElementsCoordination CompoundsEnvironmental Chemistry
Organic Chemistry
IUPAC NomenclaturesGeneral Organic ChemistryIsomerismHydrocarbonsHaloalkanes and HaloarenesAlcohol, Phenols and EthersAldehyde and KetoneCarboxylic Acids and Its DerivativesCompounds Containing NitrogenPolymersBiomoleculesChemistry in Everyday LifePractical Organic Chemistry
Ionic Equilibrium
Practice Questions
MCQ (Single Correct Answer)
1
At $27^{\circ} \mathrm{C}$, the degree of dissociation of $\mathrm{H} A$ (weak acid) in 0.5 M of its solution is $1 \%$. The concentrations of $\mathrm{H}_3 \mathrm{O}^{+}, A^{-}$and $\mathrm{H} A$ at equilibrium (in $\mathrm{mol} \mathrm{L}^{-1}$ ) are respectively.
AP EAPCET 2024 - 23th May Morning Shift
2
100 mL of $0.1 \mathrm{M} \mathrm{H} A$ (weak acid) and 100 mL of 0.2 M $\mathrm{Na} A$ are mixed. What is the pH of resultant solution? ( $K_{\mathrm{a}}$ of $\mathrm{H} A$ is $10^{-5}: \log 2=0.3$ )
AP EAPCET 2024 - 22th May Evening Shift
3

Which of the following when added to 20 mL of a 0.01 M solution of HCl would decrease its pH ?

AP EAPCET 2024 - 22th May Morning Shift
4

The solubility of barium phosphate of molar mass ' $M$ ' $\mathrm{g} \mathrm{mol}^{-1}$ in water is $x \mathrm{~g}$ per 100 mL at 298 K . Its solubility product is $1.08 \times\left(\frac{x}{M}\right)^a \times(10)^b$. The values of $a$ and $b$ respectively are

AP EAPCET 2024 - 21th May Evening Shift
5
At $T(\mathrm{~K})$, the solubility product of $A X$ is $10^{-10}$. What is the molar solubility of $A X$ in 0.1 MHX ?
AP EAPCET 2024 - 21th May Morning Shift
6
Which of the following will make a basic buffer solution?
AP EAPCET 2024 - 20th May Evening Shift
7
At $27^{\circ} \mathrm{C}, 100 \mathrm{~mL}$ of 0.4 M HCl is mixed with 100 mL of 0.5 M NaOH solution. To the resultant solution, 800 mL of distilled water is added. What is the pH of final solution?
AP EAPCET 2024 - 20th May Morning Shift
8
What is the conjugate base of chloric acid?
AP EAPCET 2024 - 19th May Evening Shift
9

The pH of 0.01 N lime water is

AP EAPCET 2022 - 4th July Evening Shift
10

Equal volumes of 0.5 N acetic acid and 0.5 N sodium acetate are mixed. What is the pH of resultant solution? ($$\mathrm{p} K_a$$ of acetic acid $$=4.75$$)

AP EAPCET 2022 - 4th July Morning Shift
11

The solubility of $$\operatorname{AgBr}(s)$$, having solubility product $$5 \times 10^{-10}$$ in $$0.2 \mathrm{~M} \mathrm{~NaBr}$$ solution equals

AP EAPCET 2021 - 20th August Morning Shift
12

Calculate the pOH of 0.10 M HCl solution.

AP EAPCET 2021 - 19th August Evening Shift
13

Which among the following pairs is not an acidic buffer?

AP EAPCET 2021 - 19th August Evening Shift