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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.
Dicarboxylic acids The acids consisting of two carboxylic groups are known as dicarboxylic acids. The saturated dicarboxylic acid are denoted by the general formula 2n (COOH
information of boron element
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Oxidation Test - Sulphur Sulphur can as well be tested by oxidation test. The organic compound is fused along with fusion mixture (a mixture of sodium carbonate and potass
Boron The only nonmetallic element in group 13, boron has a strong tendency to covalent bonding. It's lonely complex structural chemistry arises from the (2 s )2(2 p )1 configur
Methyl Lithium properties and uses
Threshing The process of threshing separates the kernels from the stalks or panicles on which they grow. Threshing may take place in the field, or at the homestead or village;
If the velocity of hydrogen molecule is 5x 10 4 cm sec -1 then its de-Broglie wavelength is: (1) 2 Å (2) 4 Å (3) 8 Å (4)100 Å Ans: 4 Å
When the principal quantum number(n= 3) , the possible values of azimuthal quantum number(l ) is: (1) 0, 1, 2, 3 (2) 0, 1, 2 (3) - 2, - 1, 0, 1, 2
Tert-butylamine Tert-butylamine cannot be prepared by the Gabriel synthesis because it would require that the nitrogen of phthalimide be alkylated with tert-butyl bromide in an
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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