The p-Block Elements questions
1863 published questions with worked solutions.
- Which of the following statements are INCORRECT about the hydrides of group 15 elements?
- Which of the following is INCORRECT for N_2O ?
- Red phosphorus is less reactive than white phosphorus on account of its ______
- The density of _________ is highest among the group 15 elements
- The P – P – P bond angle in white phosphorus is ________
- Dinitrogen tetraoxide ( N_2O_4 ) has ______
- Phosphorus pentachloride can be prepared by the action of chlorine on _____
- Of the different allotropes of phosphorus the one which is most reactive is _____ phosphorus
- Hydrolysis of phosphorus pentachloride results in the formation of _____
- Nitric acid is used in the manufacture of _____
- White phosphorus can be removed from red phosphorus by _____
- Phosphorus has the oxidation state of +3 in _____
- Pure nitrogen is prepared in the laboratory by heating a mixture of _____
- Red phosphorus is prepared by carefully heating yellow phosphorus. A catalyst used in the reaction is _____
- The low reactivity of nitrogen is due to _____
- Phosphine is _____
- Which of the following gas dissolves in H_2SO_4 to give oleum?
- The maximum co-valency of sulphur is _____
- Elements of group 16 (except polonium) are called chalcogens because _____
- Which element is found in free state?
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