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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.
Which of the following electronic configurations is not possible: (1) 1s 2 , 2s 2 (2) 1s 2 , 2s 2 , 2p 6 (3) 3d 10 4s 2 4p 2
Which of the following reduces the activation energy of a chemical reaction?
timeline about him
Anomolous behaviour of beryllium
can any one explain current galvanostatic coulometry ?
example of two component with different composition
comparison between acetic acid and acettaldehyde
#question.factors affecting thermogravimetric curves.
use and purpose 0
why is density of interstitial compounds less than that of parent metal ?
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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