The p-Block Elements questions
1863 published questions with worked solutions.
- The species formed on fluorination of phosphorus pentachloride in a polar organic solvent are
- Given below are two statements: one is labelled as Assertion (A) and the other is labelled as Reason (R). Assertion (A) : Boron...
- Which oxoacid of phosphorous has the highest number of oxygen atoms present in its chemical formula?
- Amongst the following, the number of oxide(s) which are paramagnetic in nature is Na_ 2 O, KO_ 2 , NO_ 2 , N_ 2 O, ClO_ 2 , NO,...
- Identify the incorrect statement for PCl_ 5 from the following.
- Given below are two statements: one is labelled as Assertion A and the other is labelled as Reason R. Assertion A : Fluorine...
- Heating white phosphorus with conc. NaOH solution gives mainly:
- White phosphorus reacts with thionyl chloride to give
- Dinitrogen and dioxygen, the main constituents of air do not react with each other in atmosphere to form oxides of nitrogen...
- The number of interhalogens from the following having square pyramidal structure is _____ : ClF_ 3 , IF_ 7 , BrF_ 5 , BrF_ 3 , I_...
- Match List-I with List-II: List-I (Oxide): (a) Cl_ 2 O_ 7 (b) Na_ 2 O (c) Al_ 2 O_ 3 (d) N_ 2 O List-II (Nature): (I) Amphoteric...
- Among the given oxides of nitrogen ; N_ 2 O, N_ 2 O_ 3 , N_ 2 O_ 4 and N_ 2 O_ 5 , the number of compound/(s) having N – N bond...
- Given below are two statements : Statement I : The pentavalent oxide of group-15 element, E_ 2 O_ 5 , is less acidic than...
- Dinitrogen is a robust compound, but reacts at high altitude to form oxides. The oxide of nitrogen that can damage plant leaves...
- Consider the following sulphure based oxoacids. H_ 2 SO_ 3 , H_ 2 SO_ 4 , H_ 2 S_ 2 O_ 8 and H_ 2 S_ 2 O_ 7 . Amongst these...
- The oxoacid of phosphorus that is easily obtained from a reaction of alkali and white phosphorus and has two P-H bonds, is:
- The complete hydrolysis of ICl, ClF_3 and BrF_5 , respectively, gives
- Match List I with List II List I (Oxide): A. N_2O_4 B. NO_2 C. N_2O_5 D. N_2O List II (Type of bond): I. 1 N = O bond II. 1 N - O...
- Which of these reactions is not a part of breakdown of ozone in stratosphere?
- The ratio of sigma and bonds present in pyrophosophoric acid is _________.
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