The p-Block Elements questions
1863 published questions with worked solutions.
- Mark the halogen which shows electropositive character:
- Bleaching properties of bleaching powder are due to its:
- Halogen molecules are:
- HI reacts with HNO_3 to form:
- Which of the following is a pseudohalide ion (as opposed to a neutral pseudohalogen)?
- Pure Cl_2 is prepared on heating:
- Fluorine does not show positive oxidation states because:
- The percentage of available chlorine in a commercial sample of bleaching powder is:
- The weakest acid among the following is:
- Uranium isotopes are usually separated by using compounds of the halogen:
- Compounds formed when noble gases get entrapped in the cavities of crystal lattices of certain organic and inorganic compounds...
- XeF_4 exists as ...... under ordinary atmospheric conditions.
- Noble gases are prepared by:
- Which compound is prepared by the following reaction: Xe + 2F_2 [673 ,K, 5 - 6 atm] Ni vessel , (1:5 volume ratio ) ?
- The percentage of argon in air is about:
- The last (heaviest, classically known) member of the inert gas family is:
- Which statement about noble gases is not correct?
- In XeO_3, Xe is:
- Complete hydrolysis of XeF_6 (in contrast to its partial/controlled hydrolysis, which stops at XeOF_4) gives
- The lightest, non-inflammable gas 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