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The total number of valence electrons in 4.2 gm N - 3 of ion is ( N A is the Avogadro's number): (1) 1.6N A (2) 3.2N A
Naming complex substituents - IUPAC system of nomenclature If the substituent on the parent chain is complex ( that is it is branched) it is termed as substituted alkyl g
Number of unpaired electrons in the ground state of beryllium atom is: (1) 2 (2) 1 (3) 0 (4) All the above Ans: 0
The electronic configuration of an element is 1s 2 , 2s 2 2p 6 3s 2 3p 6 3d 5 4s 1 . This represents its: (1) Excited state (2) Ground state (3)Cationic for
Identify an equation that describes some chemical process. Your equation should have at least two parameters, at least one of which should contribute in a non-linear way. Here
why pcl3 and s2cl2 are less polar then sicl4
Uses of pyrogallol (a) As a developer in photography. (b) As a hair dye. (c) In medicine of skin diseases like eczema. (d) For absorbing none reacted oxygen in gas ana
How many KCal of heat are liberated when 48.0 grams of iron are burned to form Fe2O3 at standard state conditions? (Change of Hf^0 of Fe2O3 is -197 kCal/Mole )
How Ceriumis analyzed specrometrucally?
preparation of idoform in laboratery
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