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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.
Non - ideal solutions exhibit either positive or negative deviations from Roulette's law. What are these deviations and why are they caused? Explain with one example for each t
Why does methyl ethanoate not give iodoform test while ethyl ethanoate does? Ans) Iodoform test for esters is the test given by its products on hydrolysis methyl ethanoate give
#most wanted question..
Q. Use of Halides of Boron? Boron trihalides of the type BX3 exist for all the four halogens. Boron trifluoride can be prepared on a large scale by the fluorination of boric ox
why are salts of alkali metals diamagnetic
hydrogen behave as a metal at low pressure only why
the ksp of al(OH)3 is very small (3.0x106-34). how much water is required to dissolve 1.0 g of this salt?on..
summons smith synthesis
What is hydrometallurgy
Tests of unsaturation - Bromine - carbon tetrachloride test The compound is liquefying in carbon tetrachloride or chloroform and after that a few drops of 5% bromine solution i
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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