The p-Block Elements questions
1863 published questions with worked solutions.
- PH_3 produces smoky rings when it comes in contact with air. This is because:
- H_3PO_2 has the name and basicity respectively:
- Fertiliser having the highest nitrogen percentage is:
- Orthophosphoric acid on heating gives:
- Which reaction can be used to prepare phosphoric acid?
- The catalyst used in the preparation of red phosphorus from yellow (white) phosphorus is:
- Bacteria convert molecular nitrogen into:
- P_2O_5 is used extensively as a:
- Yellow (white) phosphorus is kept in:
- Elements of the nitrogen family having allotropic forms are:
- Phosphorus pentoxide cannot be used to dry:
- Phosphorus is manufactured by heating ...... in a furnace.
- Nitrogen does not combine directly with:
- A monoatomic element of the nitrogen family is:
- Which metal liberates H_2 with dilute nitric acid?
- Which property of white phosphorus is common to red phosphorus?
- The correct order for decreasing acidic strength of the oxoacids of group 15 is:
- Which halide of nitrogen is least basic?
- White phosphorus may be separated from red phosphorus by:
- To make nitrogen dioxide free from oxygen, it is passed through a U-tube:
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