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Al is used as reducing agent for the extraction of metals such as Chromium,Monganes.Explain why?
Solution) Al3+ + 3 e- <----> Al
Good reducing agents like aluminum have relatively small ionization energies and low electro-negativities by giving up electrons and reducing the elements such as chromium and manganese. So the electrons froms the outer shell of the aluminium atoms simply come out with small energy itself therefore making it effective for reducing many elements.
define
Sometimes more than one valence structure is possible and there shows to be no unique assignment. A familiar organic example is in the disposition of single and double C-C bonds in
Q. How to Prepare Chlorine in Laboratory? Chlorine is prepared by oxidation of hydrochloric acid with potassium permanganate: 2KMnO 4 + 16HCl -> 2KCl + 2MnCl 2 + 8H 2 O +
Equivalent weight of Ca in Ca3(PO4)2 is
5
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a) During coagulation, the colloidal particles stay un-aggregated because: b) The aim during water softening is to precipitate calcium and magnesium as calcium carbonate and mag
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