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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.
In the anaerobic fermentation of grain the yeast Saccharomyces cerevisiae digests glucose from plants to create the products ethanol and propenoic acid by the following overall rea
Aluminium utensils should not be kept in water overnight.Give reason
Disaccharides - Biomolecules The disaccharides give in on hydrolysis two monosaccharides. Those disaccharides that generates two hexoses on hydrolysis contain a general formul
Visible range of hydrogen spectrum will contain the following series: (1) Pfund (2) Lyman (3) Balmer (4) Brackett Ans: Balmer
What is anionic intermediate The spectrum is consistent with the formation of an anionic intermediate-a stable Meisenheimer complex. (The dotted lines symbolize resonance delo
Q. Explain the structure of Alkenes? Ans. Alkenes have the general formula C n H 2n . Therefore, for every n carbon atoms, there are 2n hydrogen atoms. Alkenes have C =
Q. What is Percent error? Quantities measured throughout an experiment are called experimental values. The dissimilarity between an accepted value and an experimental value is
Nature of metal carbon bond
Classification of polymers - Linear polymers These are polymers where monomeric units are linked together to form linear sequential chain. These linear sequential polymers are
Preparation of cycloalkane by perkins method
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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