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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.
We have seen that different metal/metal ion combinations have different values of electrode potentials. The various elements can be arranged in order of increasing or decreasing va
The ratio of the energy of a photon of 2000Å wavelength radiation to that of 4000 Å radiation is: (1) 1/4 (2) 4 (3) 1/2 (4) 2 Ans
How can sublimation be useful? Ex. It can be used by ... to...
uses of potassium oxalato aluminate
For cations build from metals in early groups in the periodic table the complexing strength with halide ions follows the sequence whereas with many post-transitio
application of polarogrophy in deatails
how i prepare my aasgnment
Explain the Preparation of Sodium Hydroxide I. PURPOSE OF THE EXPERIMENT The purpose of this laboratory activity is to prepare a NaOH solution, determine the concentration of
HOW MANY HALF LIVES ARE REQUIRED FOR THE CONCENTRATION OF REACTANT TO DECREASE BY 1.56 PERCENT OF ITS ORIGINAL VALUE
Position of the substituent - IUPAC system of nomenclature Number of the carbon atoms in the base chain like 1, 2, 3,....... etc. starting from the end that gives lower numb
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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