The p-Block Elements questions
1863 published questions with worked solutions.
- Among the halogens, the maximum number of oxides are formed by:
- Halogen acid used in the preparation of aqua regia is:
- Oxidation of thiosulphate ion by iodine gives:
- At ordinary temperature and pressure, among the halogens, chlorine is a gas, bromine is a liquid and iodine is a solid. This is...
- When chlorine water is exposed to sunlight, O_2 is liberated. Hence:
- Concentrated hydrochloric acid, when kept in open air, sometimes produces a cloud of white fumes. The explanation for this is...
- During bleaching with chlorine, an antichlor is used to:
- Two pungent-smelling gases bleach a certain substance. The gases may be:
- Cl_2 is used in the manufacture of:
- Which one of the following is present as the active ingredient in bleaching powder responsible for its bleaching action?
- Solid Cl_2O_6 exists as:
- The bleaching action of chlorine is due to:
- ClO_2 is the anhydride of:
- Which property is most important in making fluorine the strongest oxidising halogen?
- By the action of concentrated hydrochloric acid on potassium chlorate, we get this mixture of gases:
- Berthollet's salt is:
- If Cl_2 gas is passed into an aqueous solution of KI containing some CCl_4, and the mixture is shaken, then:
- Chlorine is mixed with drinking water so that:
- The shape of the IF_7 molecule is:
- Halogens are:
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