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The color in KMnO4 arises from an electronic transition, but it is actually not a d-d ... When the light is reflected (or transmitted) it is missing the frequencies of the light absorbed, and so it looks pink.
What are ferrites? Ferrites are ceramic compounds having trivalent metal having three valence electrons iron and oxide of divalent element i.e. metals having two free electrons
give an clear explanation about kohlrauschs law
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
what is nobel gasses
In the study of mechanisms of various chemical reactions, Deuterium and Tritium are used as tracers.
Q. Describe Sulphurous Acid ? Sulphurous acid H 2 SO 3 is known only in solution. It exists mainly as a hydrate of sulphur dioxide SO 2 . 7H 2 O two series of salts the bisulp
why HOH is not harmful to our body but Phenol is?
Lab Report Report the mass of KCl and KI in the original unknown sample. Include plot of titration. How do I calculate amount in unknown from titration and what is the curve suppos
Al(C2O4)3 3-
Is sericulture possible at 35 dgree centigrade?
Mostly compounds of d block elements exibitcolour dueto d-d transistions between partially filled eg and t2gbut the reason for colour of KmnO4 and K2Cr2O7 is due to partial chanrge transfer between central atom and oxygen which causes colour
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