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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 compound has sharp, unpleasant and pungent smell?
what are grignard reagants ? how are tthey prepared is laboratory ? what makes them so important in synthetic chemistry?
OXYGEN Oxygen is the second most electronegative substance after fluorine, and forms thermodynamically stable compounds with usually all elements. It rivals fluorine in the abil
Empirical formula Empirical formula of a substance provides the simplest whole number ratio among the atoms of the various elements exist in one molecule of the elements. For i
Describe the phases present in the equilibrium system? Suppose the system contains 36.0 g (2.00mol) H 2 O and 58.4 g (1.00mol) NaCl at 25°C and 1 bar. Table: Aqueous solub
I am trying to calculate alcoholic acidity
why is density of interstitial compounds less than that of parent metal ?
Low-grade phosphate rock can be upgraded by flotation processing. In this process the low-grade rock is grounded into a powder and suspended as a water slurry. The addition of smal
Chloroform or trichloromethane, CHCl 3 It is a significant trihalogen derivative of methane. It was given by Liebig in year 1831 and its name chloroform was proposed by Dumas
A solid substance with a mass of 200g is at its melting temperature in a calorimeter. While the substance changes from a solid to a liquid at the same temperature, the 400-gram mas
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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