The p-Block Elements questions
1863 published questions with worked solutions.
- Given below are two statements: Statement I: The covalency of oxygen is generally two but it can exceed upto four. The oxidation...
- The electronegativity of a group 13 element 'E' is same as that of Ge (on Pauling scale and upto one decimal point). The CORRECT...
- Given below are two statements: Statement I: The number of pairs among [Al₂O₃, Cr₂O₃], [Cl₂O₇, Mn₂O₇], [Na₂O, V₂O₃] and [CO, N₂O]...
- Correct statements from the following are: A. Nitrogen in oxidation states from +1 to +4 disproportionates in acid medium. B....
- Treatment of a gas 'X' with a freshly prepared ferrous sulphate solution gives a compound 'Y' as a brown ring. The compounds X...
- Given below are two statements: Statement I: Aluminium is more electropositive than thallium as the standard electrode potential...
- Find the correct statements related to group 15 hydrides. A. Reducing nature increases from NH₃ to BiH₃ B. Tendency to donate...
- Match List-I with List-II. List-I: A. Coke B. Diamond C. Fullerene D. Graphite List-II: I. Carbon atoms are sp^3 hybridised II....
- Match List-I with List-II : List-I (Oxoacids of Sulphur): A. Peroxodisulphuric acid B. Sulphuric acid C. Pyrosulphuric acid D....
- Noble gases are named because of their inertness towards reactivity. Identify an incorrect statement about them.
- Statement I : Acid strength increases in the order given as HF << HCl << HBr << HI. Statement II : As the size of the elements F,...
- Match List I with List II List-I: A. Melting point [K], B. Ionic Radius [M³⁺/pm], C. Δ_ IE H₁ [kJ mol⁻¹], D. Atomic Radius [pm]...
- Number of oxygen atoms present in chemical formula of fuming sulphuric acid is ________.
- Given below are two statements : one is labelled as Assertion (A) and the other is labelled as Reason (R). Assertion (A) : Both...
- On reaction of Lead Sulphide with dilute nitric acid which of the following is not formed ?
- Given below are two statements : Statement (I) : Oxygen being the first member of group 16 exhibits only –2 oxidation state....
- Given below are two statements : one is labelled as Assertion (A) and the other is labelled as Reason (R). Assertion (A) :...
- From the given list, the number of compounds with +4 oxidation state of Sulphur is ________. SO₃, H₂SO₃, SOCl₂, SF₄, BaSO₄, H₂S₂O₇
- Anomalous behavior of oxygen is due to its
- The oxidation number of iron in the compound formed during brown ring test for NO₃⁻ ion is ________.
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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