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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.
Q. Detect the presence of synthetic food colours in the given samples? Objectives After conducting this activity, you will be able to: • describe the kind of natural
Resonance for the methyl group at room temperature The resonance for the methyl group at room temperature is a singlet. When the temperature is lowered, the resonance of this m
tell me the methods of preparation of nitrenes?
(a) Assign a reason for each of the following statements: (i) Alkylamines are stronger bases than arylamines. (ii) Acetonitrile Is preferred as solvent for carrying out sever
complete discription of van''t hoff factor
Q. Explain the working of chemical cell ? Ans. A chemical cell can be set up by dipping two different metals in an electrolyte and connecting the two metals with an external
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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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