The p-Block Elements questions
1863 published questions with worked solutions.
- Given below are two statements : Statement I : The electronegativity of group 14- elements from Si to Pb, gradually decreases....
- Choose the correct statements about the hydrides of group 15 elements. A. The stability of the hydrides decreases in the order...
- Given below are two statements: Statement I: S₈ solid undergoes disproportionation reaction under alkaline conditions to from S²⁻...
- Choose the correct statements from the following A. All group 16 elements form oxides of general formula EO₂ and EO₃, where E =...
- Given below are two statements: Statement I: Group 13 trivalent halides get easily hydrolyzed by water due to their covalent...
- Consider the oxides of group 14 elements SiO₂, GeO₂, SnO₂, PbO₂, CO and GeO. The amphoteric oxides are
- Given below are two statements: Statement I: Noble gases have very high boiling points. Statement II: Noble gases are monoatomic...
- The INCORRECT statement regarding the structure of C_ 60 is :
- Match List-I with List-II : List-I: (a) Hypophosphorous acid (b) Orthophosphoric acid (c) Hypophosphoric acid (d)...
- A group 15 element, which is a metal and forms a hydride with strongest reducing power among group 15 hydrides. The element is :
- The set that represents the pair of neutral oxides of nitrogen is :
- The reaction of white phosphorus on boiling with alkali in intert atomsphere resulted in the formation of product 'A'. The...
- A xenon compound 'A' upon partial hydrolysis gives XeO_2F_2. The number of lone pair of electrons present in compound A is ______...
- The number of ionisable hydrogens present in the product obtained from a reaction of phosphorus trichloride and phosphonic acid...
- Chemical nature of the nitrogen oxide compound obtained from a reaction of concentrated nitric acid and P_4O_ 10 (in 4 : 1 ratio)...
- Which one of the following group-15 hydride is the strongest reducing agent ?
- -sulphur and -sulphur are diamagnetic. S_2-form is paramagnetic. Among the following allotropic forms of sulphur, the number of...
- The correct order of acid strength is :
- Number of Cl = O bonds in chlorous acid, chloric acid and perchloric acid respectively are :
- In which one of the following molecules strongest back donation of an electron pair from halide to boron is expected?
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