The p-Block Elements questions
1863 published questions with worked solutions.
- The reaction of zinc with dilute and concentrated nitric acid, respectively, produces:
- The non-metal that does not exhibit positive oxidation state is:
- Assertion: Among the carbon allotropes, diamond is an insulator, whereas graphite is a good conductor of electricity. Reason:...
- A metal M reacts with nitrogen gas to afford M_3N . M_3N on heating at high temperature gives back M and on reaction with water...
- The number of S = O and S - OH bonds present in peroxodisulphuric acid and pyrosulphuric acid respectively are:
- Statement 1: The percentage of nitrogen in urea is 46.6%. Statement 2: Urea is an ionic compound.
- Pure nitrogen is obtained by the decomposition of nitride M_x(N_3)_y. What is the value of (x+y)?
- Basicity of H_3PO_4 is ___________
- Basicity of H_3PO_3 is ___________
- Basicity of H_3PO_2 is ___________
- Match the substances given in column B based on the reactions given in column A, and select the correct answer from the...
- Which is correct for Na_2HPO_3?
- H_3BO_3 is:
- Ordinary oxygen contains:
- Among Al_2O_3, SiO_2, P_2O_3 and SO_2 the correct order of acid strength is [AIEEE 2004]
- Amphoteric oxide combinations are in [UP SEE 2006]
- The element with atomic numbers 9, 17, 35, 53, 85 are all [AMU 2006]
- Which one of the following oxides is amphoteric in character?
- Which oxide is amphoteric in nature?
- Which of the following oxides is most acidic in nature?
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