The p-Block Elements questions
1863 published questions with worked solutions.
- The number of hydrogen atom(s) attached to phosphorus atom in hypophosphorus acid is
- An element (X) forms compounds of the formula XCl_3 , X_2O_5 and Ca_3X_2 but does not form XCl_5 . Which of the following is the...
- White phosphorus is
- The number of P - O - P bonds in cyclic metaphosphoric acid is
- The least basic trihalide of nitrogen among the following trihalides
- Which of the following compounds is a peroxide?
- Atomic no. of N is 7, the atomic no. of IV member of nitrogen family will be
- One mole of sodium phosphide on reaction with excess of water gives
- Reaction of HNO_3 with I, S, P, C gives
- When ammonia is heated with cupric oxide, a molecule of ammonia will
- The stability of the hydrides of Group 15 Elements follows the order
- The correct statement for H_3PO_3 and H_3PO_4 is
- Phosphine is not obtained by the reaction, when
- Which element from group 15 gives most basic compound with hydrogen?
- Which allotropic form of phosphorus is most reactive?
- Oxygen gas can be prepared from KMnO_4 by
- The only element in group 16 whose hydride is colourless liquid is
- PCl_5 on treatment with sulphuric acid gives
- Iron sulphide on combustion forms an oxide of sulphur which is dissolved in water to give an acid. The basicity of this acid is
- Elements called halogens belong to which group in the periodic table?
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