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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.
Explain the term Forging with diagram Forging is shaping of metal either by steady compression or impact between a hammer or ram and anvil. Related to pressing of metal or
How many electrons can be accommodated in a sub-shell for which n=3, l=1: (1) 8 (2) 6 (3) 18 (4) 32 Ans: 6
how do you calculate the mass atomic number of an element?
Chemical Properties of Alkyl Halides The alkyl halides are very reactive; the sequence of reactivity is as follow: Iodide > Bromide > Chloride (Nature of the hal
The nitride ion in lithium nitride is composed of: (1) 7 protons + 10 electrons (2) 10 protons + 10 electrons (3) 7 protons + 7 protons (4) 10 protons + 7 electr
explain about p block element
The ratio among the radius of cation and the radius of anion is known as Limiting radius.
properties of s block elements (point wise)
what is the chemistry of reaction for NH4+ with SO4 2- and CO3 2- ?
how many forms are there in crystal system
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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