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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.
meaning of laws of chemical
Q. Show the properties of Lithium Aluminium Hydride? Lithium aluminium hydride is much more useful than aluminium hydride. It is prepared in the laboratory by the action of LiH
Which of the following oxides of nitrogen is isoelectronic with CO 2: (1) No 2 (2) N 2 O (3) NO (4)N 2 O 2 Ans: N 2 O
at what temperature centigrade will the volume of a gas at 0 degrees Celsius double itself pressure remaining constant
define it
can you locate ortho,meta para positions on a benzene ring
what is the unabbreviated electron configuration of lanthanum
what are similarities and differences among the Arrhenius, Bronsted-Lowry, and Lewis acid-base theories?
Q. What do you understand by dissolved oxygen in water? How does it create trouble in boiler? Give chemical methods with suitable reactions to remove it from the water. Ans.
what is alternative form of cholesterol formed in plants and prokaryotes ?
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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