The p-Block Elements questions
1863 published questions with worked solutions.
- How many elements in group 14 are used as semiconductors?
- A x-membered ring is formed in (BN)_n where x is.......
- How many P-O-P bonds are there in P_4O_ 10 ?
- More than four bonds are made by how many elements in the carbon family?
- Number of tribasic acids out of the following is……. H_3BO_3, H_3PO_3, H_3PO_2, H_3PO_4
- Maximum covalency of aluminium is.......
- B(OH)_3 can accept ...... hydroxide ion(s) from H_2O
- Among the following, the number of compounds that can react with PCl_5 to give POCl_3 is: O_2, CO_2, SO_2, H_2O, H_2SO_4, P_4O_...
- Colemanite is a mineral of:
- In B_2H_6:
- Which statement regarding H_3BO_3 is not correct?
- Boric acid is not used:
- The structure of diborane contains:
- Aluminium is not present in which of the following minerals?
- Thallium shows different oxidation states because:
- BCl_3 does not exist as a dimer but BH_3 exists as a dimer (B_2H_6) because:
- Hardest element of group 13 is:
- Among the halides 1. BCl_3, 2. AlCl_3, 3. GaCl_3, 4. InCl_3, the order of decreasing Lewis acid character is:
- Borazole is obtained by the reaction of:
- Eka aluminium 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