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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.
Cellulose - Biomolecules Cellulose is found in all plants and thus is the most abundant of all carbohydrates. It is the substance required to form cell walls and another struct
What are the lattice vacancies The lattice vacancies are a stable feature of metals at all temperatures above absolute zero. By successive jumps of atoms, just like playing Chi
explanition
Electroanalytical technique: An electroanalytical technique is based on the measurement of one or more electrical quantities and their magnitudes could be correlated with the
Calculate equivalent weight of 99.22% purity of hexamethylene diisocyanate (HDI)?
Q. Define shelf life? Shelf life is the time between the production and packaging of the product and the point at which it becomes unacceptable under defined environmental cond
What is the reliablitiy of redox titrations?
how can i calibrate conductometer?
Q. Explain Collision Theory? Ans. Why do some reactions take place faster than others? What actually happens in a chemical reaction? Consider a gaseous reaction of the typ
Prepare a table that lists the expressions for the dimensionless concentration profiles and catalyst effectiveness factors for slab, cylinder and spherical catalysts.
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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