Physical Chemistry
Some Basic Concepts of ChemistryAtomic StructureStates of MatterThermodynamicsChemical EquilibriumIonic EquilibriumLiquid SolutionRedox ReactionsSurface ChemistrySolid StateElectrochemistryChemical KineticsNuclear ChemistryInorganic Chemistry
Periodic Table and PeriodicityChemical Bonding and Molecular StructureHydrogen and It's Compoundss-Block Elementsp-Block Elementsd and f Block ElementsMetallurgyCoordination CompoundsEnvironmental ChemistryOrganic Chemistry
IUPAC NomenclaturesGeneral Organic ChemistryIsomerismHydrocarbonsHaloalkanes and HaloarenesAlcohol, Phenols and EthersAldehyde and KetoneCarboxylic Acids and Its DerivativesCompounds Containing NitrogenPolymersBiomoleculesChemistry in Everyday LifePractical Organic Chemistryp-Block Elements
Practice QuestionsMCQ (Single Correct Answer)
1
Given are $$\mathrm{H}_3 \mathrm{PO}_2, \mathrm{H}_3 \mathrm{PO}_3, \mathrm{H}_3 \mathrm{PO}_4$$ and $$\mathrm{H}_4 \mathrm{P}_2 \mathrm{O}_7$$. Which of the above oxacids results into two series of salts?
COMEDK 2023 Morning Shift
2
The order of acidic strength of boron trihalides is
COMEDK 2023 Morning Shift
3
Give the correct order of acidity of
COMEDK 2022
4
The cololur of CrO$$_4^{2-}$$ changes to Cr$$_2$$O$$_7^{2-}$$ is
COMEDK 2022
5
Arrange the hydrides of group 15 in correct decreasing order of reducing nature.
COMEDK 2021
6
When conc. H$$_2$$SO$$_4$$ is heated with P$$_2$$O$$_5$$, the acid is converted into
COMEDK 2020