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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.
The electronic configuration of four elements are given in brackets: L (1s 2 , 2s 2 , 2p 1 , ) M (1s 1 , 2s 2 , 2p 5 ) Q (1s 2, 2s 2 , 2p 6 3s 1 ,) R ( 1s 1 , 2s 2 , 2p
Q Explain Working of Galvanic Cell? Ans. There are several types of electrochemical cells. One type of electrochemical cell is called a galvanic cell . (A battery is a galvan
How many grams of CO2 will be produced from burning 115.5 grams of C4H8 with 310.5 grams of oxygen given the following equation..... C4H8 + 4 O2 = 2 CO2 +4 H2O
The maximum number of electrons accommodated in 5f orbitals are: (1) 5 (2) 10 (3) 14 (4) 18 Ans: 14
A hydrocarbon z with molecular mass 78 on combustion gave 3.384g of carbon (IV) oxide and 0.693g of water. Determine the molecular formula of Z and draw its structure. [H=1, C=12,
anamolous behavior of berylium
The intramolecular product tetrahydrofuran results from an internal nucleophilic substitution reaction of the alkoxide on the alkyl halide. The intermolecular product 1,4-butanedio
how to neutralize sodium carbonate colourless soloution what is the soloution
state functions of lime and soda in lime soda process
Discuss the ion exchange process of water softening. Give an account of the variety of mechanisms of Lubrication. Write notes on bulk and solution polymerization techniques.
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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