The p-Block Elements questions
1863 published questions with worked solutions.
- The number of species from the following carrying a single lone pair on central atom Xenon is _________. XeF_5^+, XeO_3,...
- Which halogen is known to cause the reaction given below: 2Cu^ 2+ +4X^- Cu_2X_2(s)+X_2
- XeF_4 reacts with SbF_5 to form [XeF_m]^ n+ [SbF_y]^ z- . m + n + y + z = ______?
- The difference in the oxidation state of Xe between the oxidised product of Xe formed on complete hydrolysis of XeF_4 and XeF_4...
- In the following reaction, the total number of oxygen atoms in X and Y is _______ Na_2O+H_2O 2X Cl_2O_7+H_2O 2Y
- The sum of lone pairs present on the central atom of the interhalogen IF_5 and IF_7 is _____
- One mole of P_4 reacts with 8 moles of SOCl_2 to give 4 moles of A, x mole of SO_2 and 2 moles of B. A, B and x respectively are
- Given below are two statements: Statement I: Boron is extremely hard indicating its high lattice energy. Statement II: Boron has...
- The covalency and oxidation state of boron in [BF_4]^-, are :
- If the formula of Borax is Na_2B_4O_x(OH)_y.zH_2O, then x + y + z = _______
- ClF_5 at room temperature is a
- The radical which mainly causes ozone depletion in the presence of UV radiations is :
- The incorrect statement from the following for borazine is :
- The number of P – O – P bonds in H_4P_2O_7, (HPO_3)_3 and P_4O_ 10 are respectively
- Sum of - bonds present in peroxodisulphuric acid and pyrosulphuric acid is _________
- Given below are two statements, one is labelled as Assertion A and the other is labelled as Reason R. Assertion A : Carbon forms...
- Reaction of thionyl chloride with white phosphorus forms a compound [A], which on hydrolysis gives [B], a dibasic acid. [A] and...
- The total number of lone pairs of electrons on oxygen atoms of ozone is_________
- Total number of acidic oxides among N_2O_3, NO_2, N_2O, Cl_2O_7, SO_2, CO, CaO, N_2O and NO is ____________.
- "A" obtained by Oswald's method involving air oxidation of NH_3, upon further air oxidation produces "B". "B" on hydration forms...
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