The p-Block Elements questions
1863 published questions with worked solutions.
- How many of the following make alkaline solution in water? O^ 2- , O_2^ 2- , O_2^-
- Number of peroxy linkage (s) in H_2S_2O_8 is ………
- H_2O_2 on treatment with chlorine gives:
- Ozone reacts with H_2O_2 to give oxygen. One volume of ozone gives:
- One mole of calcium phosphide on reaction with excess water gives:
- Fluorine reacts with water to form:
- Hydrolysis of one mole of peroxodisulphuric acid produces:
- Calgon is used as water softener. Its molecular formula is Na_6P_6O_x. The value of 'x' is _______.
- What is the oxidation state of oxygen in the product formed when fluorine reacts with water?
- Aqueous solution of S_2O_3^ 2- is converted to _____ in presence of iodine. [OJEE 2005]
- A metal 'M' reacts with N_2 to give a compound 'A' (M_3N). 'A' on heating at high temperature gives back 'M' and 'A' on reacting...
- KO_2 is used in space and submarines because it [Jamia Millia Islamia 2005]
- NaOCl is used as a bleaching agent and sterilising agent. It can be synthesised by the action of [OJEE 2003]
- CaC_2+N_2 A, product A is [OJEE 2007]
- Bleaching action of bleaching powder is due to the liberation of
- In the presence of cobalt chloride, bleaching powder decomposes to form [DCE 2005]
- Chlorine reacts with 'X' to form bleaching powder. 'X' is [OJEE 2009]
- Sodium thiosulphate is prepared by
- Bleaching powder is obtained by the interaction of chlorine and
- Bleaching powder is a compound having the molecular formula
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