The p-Block Elements questions
1863 published questions with worked solutions.
- Aluminium is usually found in +3 oxidation state. In contrast, thallium exists in +1 and +3 oxidation states. This is due to:
- The element that shows greater ability to form pπ-pπ multiple bonds, is:
- Chlorine on reaction with hot and concentrated sodium hydroxide gives:
- The relative stability of +1 oxidation state of group 13 elements follows the order:
- The pair that contains two P–H bonds in each of the oxoacids is:
- The reaction that is NOT involved in the ozone layer depletion mechanism in the stratosphere is:
- In the following reactions, products (A) and (B), respectively, are : NaOH + Cl_2 (A) + side products (hot and conc.) Ca(OH)_2 +...
- The reaction of H_3N_3B_3Cl_3 (A) with LiBH_4 in tetrahydrofuran gives inorganic benzene (B). Further, the reaction of (A) with...
- The acidic, basic and amphoteric oxides, respectivley, are:
- Given below are two statements: Statement (I): SiO_2 and GeO_2 are acidic while SnO and PbO are amphoteric in nature. Statement...
- Among the following oxides of p-block elements, number of oxides having amphoteric nature is ________. Cl_2O_7, CO, PbO_2, N_2O,...
- Given below are two statements: Statement I: In group 13, the stability of +1 oxidation state increases down the group. Statement...
- The correct statements from the following are: (A) The decreasing order of atomic radii of group 13 elements is Tl > In > Ga > Al...
- Chlorine reacts with hot and concentrated NaOH and produces compounds (X) and (Y). Compound (X) gives white precipitate with...
- The number of bonds between sulphur and oxygen atoms in S_2O_8^ 2- and the number of bonds between sulphur and sulphur atoms in...
- White phosphorus on reaction with concentrated NaOH solution in an inert atmosphere of CO_2 gives phosphine and compound (X). (X)...
- A metal (A) on heating in nitrogen gas gives compound B. B on treatment with H_2O gives a colourless gas which when passed...
- Evaluate the following statements related to group 14 elements for their correctness. (A) Covalent radius decreases down the...
- The statement that is not true about ozone is :
- In a molecule of pyrophosphoric acid, the number of P – OH, P = O and P – O – P bonds/moiety (ies) respectively are :
Other chapters
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