The p-Block Elements questions
1863 published questions with worked solutions.
- One recently discovered allotrope of carbon (e.g., C_ 60 ) is known as [Guj CET 2006]
- Boron halides behave as Lewis acids because of their ......... nature. [BITSAT 2008, AMU 2008, EAMCET 2008]
- The order of acidic strength of boron trihalides [Kerala CEE 2005, AMU 2005]
- Identify B in the following reaction, [BITSAT 2008, AMU 2008, EAMCET 2008] H_4SiO_4 [-H_2O] 1000^ C A [ ] Carbon B + CO
- An oxide of an element is a gas and dissolves in water to give an acidic solution. The element belongs to [EAMCET 2007]
- Which is likely to show inert-pair effect?
- Boric acid is used in carom boards for smooth gliding of pawns because [Kerala CEE 2006]
- The incorrect statement/s among the following is/are I. NCl_5 does not exist while PCl_5 does. II. Lead prefers to form...
- Each B-H-B bridge in B_2H_6 is formed by the sharing of [Kerala CEE 2004]
- Diamond is hard because [VITEEE 2008]
- The stability of dihalides of Si, Ge, Sn and Pb increases steadily in the sequence [AIEEE 2007]
- Statement 1 (Assertion): White phosphorus is stored under water. Statement 2 (Reason): White phosphorus is highly reactive and...
- Statement 1 (Assertion): White phosphorus is more reactive than red phosphorus. Statement 2 (Reason): Red phosphorus consists of...
- Statement 1 (Assertion): Among chalcogens, tendency of catenation is maximum for sulphur. Statement 2 (Reason): S–S bond...
- In III A group, thallium shows +1 oxidation state while other members show +3 oxidation state, why?
- An element A dissolves both in acid and alkali. It is an example of
- Moissan boron is
- Which is true for an element R present in III group of the periodic table?
- Pure boron is best prepared by
- Alumina 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