The p-Block Elements questions
1863 published questions with worked solutions.
- STATEMENT-1: Pb^ 4+ compounds are stronger oxidizing agents than Sn^ 4+ compounds. STATEMENT-2: The higher oxidation states for...
- Given below are two statements : Statement I: The number of pairs among [SiO_2, CO_2], [SnO, SnO_2], [PbO, PbO_2] and [GeO,...
- Given below are two statements: Statement I: The halogen that makes longest bond with hydrogen in HX, has the smallest covalent...
- Given below are two statements : Statement-I : Element 'X' and 'Y' are the most and least electronegative elements, respectively...
- It is noticed that Pb^ 2+ is more stable than Pb^ 2+ but Sn^ 2+ is less stable than Sn^ 4+ . Observe the following reactions...
- "X" is an oxoanion of the lightest element of group 7 (in the periodic table). The metal is in +6 oxidation state in "X". The...
- Regarding the hydrides of group 15 elements EH_3 (E=N,P,As,Sb), select the correct statement from the following: A. The stability...
- Given below are two statements : Statement I : The increasing order of boiling point of hydrogen halides is HCl<HBr<HI<HF....
- The maximum covalency of a non-metallic group 15 element 'E' with weakest E–E bond is :
- Given below are the atomic numbers of some group 14 elements. The atomic number of the element with lowest melting point is :
- The large difference between the melting and boiling points of oxygen and sulphur may be explained on the basis of
- The amphoteric oxide among V_2O_3, V_2O_4 and V_2O_5 upon reaction with alkali leads to formation of an oxide anion. The...
- A group 15 element forms dπ–dπ bond with transition metals. It also forms hydride, which is a strongest base among the hydrides...
- The nature of oxide (TeO_2) and hydride (TeH_2) formed by Te, respectively are:
- A molecule with the formula AX₄Y has all its elements from p-block. Element A is rarest, monoatomic, non-radioactive from its...
- The correct orders among the following are Atomic radius : B < Al < Ga < In < Tl Electronegativity : Al < Ga < In < Tl < B...
- Given below are two statements: Statement I: The N – N single bond is weaker and longer than that of P – P single bond. Statement...
- Statement I: Nitrogen forms oxides with +1 to +5 oxidation states due to the formation of pπ - pπ bond with oxygen. Statement II:...
- 'X' is the number of acidic oxides among VO₂, V₂O₃, CrO₃, V₂O₅ and Mn₂O₇. The primary valency of cobalt in...
- Among the following oxoacids, the correct decreasing order of acid strength is -
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