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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.
The mass of a photon with a wavelength equal to 1.54 x 10 -8 cm is: (1) 0.8268 x 10 -34 kg (2) 1.287 x10 -33 kg (3)1.4285x 10 -32 k
Distinguish between dry corrosion and wet corrosion. Write brief notes on dissimilar types of liquid crystals.
project
why the water is compound
Physical properties of tri hydric alcohol
when n why rearrangement reaction occur?//
what is the molecular geometry of IF4+
An e - has magnetic quantum number as 3, what is its principal quantum number: (1) 1 (2) 2 (3) 3 (4) 4 Ans: 4
give an assignment of organic compounds
What is T in the indicator Eriochrome Black-T used for the determination of hardness of water?
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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