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Aufbau principle is obeyed in which of the following electronic configurations:
(1) 1s2 2s2 2p6
(2) 1s2 3p6 3s2
(3) 1s2 3s2 3p6
(4) 1s2 2s2 3s2
ans: 1s2 2s2 2p6
Maximum number of electrons present in N shell is: (1) 18 (2) 32 (3) 2 (4) 8 Ans: 32
the number of isomers pssible for hexane
CALCULATE THE MOMENTUM OF APARTICLEWHICH HAS WAVELENGTH OF 2A
give the classification of alcohpl
Q. Explain Ellingham Diagrams? Ellingham studied the variation of standard free energy change for the formation of a number of compounds, e.g., oxides, sulphides and chlorides,
CAN BOHR MODEL EXPLAIN THE SPECTRUM LINE OH HYDROGEN ATOM?
Purification of organic compounds Several methods are available for the purification of substances. Though, the selection of method, depends upon the nature of substance (if s
how is a peptide bond made through dehydration using a chemical equation?
synthesis of di and tri substituted benzenes(symmetrical tribromo benzene, 2-amino-5methylphenol, 3-nitro-4-bromobenzoic acid, 3,4-dibromonitrobenzene, 1,2,3-trimethyl benzene) sta
Action of grignard reagents on carbonyl compounds with examples
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