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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.
discovered boron family
why is filtration in soil and water a slow process and explain the colour change in the filtrate
Q. Show Anomalous Behaviour of Oxygen? Oxygen differs considerably from the rest of the family members. Small size, very high electronegativity and non-availability of d-orbita
Q. Major functions of emulsifiers? The major functions of emulsifiers in food systems are as follows. The emulsifier: • modifies the intermolecular forces which stabilize
Illustrate that for correct mass balance, relative amounts of two co-existing phases or microconstituents must be given by lever principle. Ans: Using lever rule
What are hormones? State the function of the following hormones: (a) Testosterone (b) Oxytocin
Chemical Properties Proteins - Oxidation Oxidation : Proteins are oxidised on putrefaction and burning. The products comprise amines, nitrogen, carbon dioxide and water. The un
A boat conformation of cis-1,3-dimethylcyclohexane:
Q. Explain Distillation in purification of metals? Metals with low boiling points, such as cadmium, zinc and mercury will be purified by distillation. The distillation is gener
Why are they (Lanthanides and Actinides) called Inner Transition Elements?
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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