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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 the esters used in paint''s and their names
why carbonate salts are insoluble in water
what effect of two oriantation gps in the same aromatic ring?
fajan rule state that large size highly negative charged ion form covalent bond
If hydrogen atom is in an energy level represented by n=4,how many spectral lines are possible in its emission spectrum? Ans) There is a formula for this i.e [ (n 2- n 1 +1)
describe graphical explanation of cryoscopy?
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ionic equation by ionelectron method (half reaction)
what is allotropy
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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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