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The energy of an electron in orbit of hydrogen atom is : (1) 13.6/n 4 x eV (2) 13.6/n 3 xeV (3) 13.6/n 2 xeV (4)13.6/nx eV Ans:
sodium does not react with a) Carbon b) Nitrogen c) Hydrogen d)both a an b
Schiff's reaction and Tischenko reaction (a) Schiff's reaction: this reaction restores pink colour to Schiff's reagent (aqueous solution of p-rosaniline hydrochloride decolouri
list the advantage and disadvantage teaching methods in chemistry
Orgel Diagrams of d-orbital systems
Reaction of ammonia with diborane at 475K gives a compound B3N3H6 known as borazine or borazole: Borazine is best prepared by reducing B-trichloroborazme with sodium borohy
Step growth or condensation polymerisation In this form of polymerisation monomers usually consist of two functional sets, that is difunctional monomers. In that method no init
Difference between phenol and alcohol Property Phenol ( C 6 H 5 OH ) Alcohol ( C 2 H 5 OH ) Odour Typica
the ksp of al(OH)3 is very small (3.0x106-34). how much water is required to dissolve 1.0 g of this salt?on..
maxmium 500 words
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