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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.
name and chemical formula of blue vitriol
interpretation ande of errors in differential thermal analysis
Energy of atomic orbitals in a particular shell is in the order: (1) s (2) s> p > d > f (3) p (4) f > d > s >p Ans: s
lanthanide elements names
hybridization in hydroxyl group
The correct ground state electronic configuration of chromium atom is: (1) [Ar] 3d 5 4s 1 (2)[Ar]3d 4 4s 2 (3) [AR]3d 6 4s 0 (4
Q. Estimation of synthetic food colours in foods? Food colours in various products need to be isolated, identified and then quantitatively measured for their limits. Estimatio
The following has zero valency : (1) Sodium (2) Beryllium (3) Aluminium (4) Krypton Ans: Krypton
WHAT IS THE FEROST DIAGRAM
How does crystallography help in study of crystal structure
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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