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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.
For a hydrogen atom, calculate the wavelength (in nm) of an emitted photon in the Lyman series that results from the transition n = 3 to n = 1
Credit Cards Credit cards are offered by banks, as well as other institutions such as credit unions. There are numerous credit cards currently available in the market, each wi
What is happen whenever H2SO4+HNO3 adding to the phenol.give the reaction Ans) Phenol + HNO3(in prescence of sulphuric acid) --> 2-nitrophenol + 4-nitrophenol.
what is a Newtonian fluid?what is a non-Newtonian fluid?
formation of ammonium ion
Explain the un-ionized form of vanillin It is the un-ionized form of vanillin that has the typical odor. In NaOH solution, the phenol group ofvanillin ionizes to its conjugate
Copper=54.1%, oxygen=20.1% and the balance sulfur. Could this also be the molecular formula? What other data is needed?
which solution is formed when iodine solution ,copper sulphate and caustic soda are mixed?
Which category matches with Ca(OH)2? - a. It is a Lewis acid. - b. It is a diprotic Br0nsted acid. - c. It is a salt. d. It is an Arrhenius base.
write the expression for the expansion work?
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