The p-Block Elements questions
1863 published questions with worked solutions.
- In which of the following the NH_3 is not used?
- The brown ring test for NO_2^- and NO_3^- is due to the formation of complex ion with a formula -
- Nitrogen can be purified from the impurities of oxides of nitrogen and ammonia by passing through
- The formation of brown ring in the relation between nitrates, conc. H_2SO_4 and FeSO_4 involves
- Excess of PCl_5 reacts with conc. H_2SO_4 giving
- P_4O_ 10 is not used to dry NH_3 gas because
- Nitrogen is chemically inert due to
- In NH_3 and PH_3 the common is
- Which of the following contains P - O - P bond?
- A deep brown gas is formed by mixing two colourless gases which are
- An important method of fixation of atmospheric nitrogen is
- Which is not correct for N_2O ?
- The oxyacid of phosphorus in which phosphorus has the lowest oxidation state is
- Fixation of nitrogen means
- Orthophosphoric acid is
- The basicity of orthophosphoric acid is
- Ammonia is generally manufactured for fertilizers by
- What may be expected to happen when phosphine gas is mixed with chlorine gas?
- Identify the compounds X and Y in the following reaction of Zn with HNO_3 (reactions are not balanced) Zn + conc. HNO_3...
- What happens when phosphine gas is mixed with chlorine gas?
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