The p-Block Elements questions
1863 published questions with worked solutions.
- How many of the following are acidic oxides? N_2O_3, As_2O_3, Bi_2O_3, P_4O_6, Sb_2O_3
- How many of the following trends is/are CORRECT with respect to the properties of hydrides of group 15 elements? 1. Basic...
- The total number of atoms in a molecule of nitrogen sesquioxide is _______.
- XeF_4 reacts with SbF_5 to form [XeF_X]^+[SbF_Y]^-. The value of 'Y' is _______.
- How many of the following species, on thermal decomposition, give dinitrogen? (NH_4)_2Cr_2O_7, Ba(N_3)_2, NH_4Cl, NaN_3, NH_4NO_2
- The outer electronic configuration of group 16 elements is ns^xnp^y. The value of x+y is _______.
- In the solid state, PCl_5 exists as the ionic solid [PCl_X]^+[PCl_Y]^-. The value of 'Y' is _______.
- The number of P=O bonds in P_4O_ 10 is _______.
- The percentage by volume of oxygen gas in dry air is _______%.
- The number of S atoms in the puckered ring structure of rhombic Sulphur is _______.
- The number of allotropes of oxygen is _______.
- How many of the following are neutral oxides? SnO, P_4O_ 10 , NO, CO, N_2O
- The number of P-OH bond(s) in hypophosphoric acid is _______.
- The number of P-H bond(s) in phosphinic acid is _______.
- How many of the following trends is/are CORRECT with respect to the properties of hydrides of group 16 elements? 1. Bond angle:...
- How many of the group 16 elements exist as diatomic molecule(s) at room temperature?
- How many of the following species are related to Ostwald's process used to manufacture HNO_3? NH_3, O_2, H_2, CO_2, NO_2, NO, Pt,...
- How many of the following are in the gaseous state at room temperature? SO_2, SO_3, O_3, SeO_2, TeO_2
- In the solid state, N_2O_5 exists as [NO_X]^+[NO_Y]^-. What is the value of 'X'?
- The number of stable isotopes of oxygen is _______.
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