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Q. Application of electrometallurgy?
In theory, aluminium metal would be made the same way. But, aluminium trichloride is covalent and it does not conductor of electricity. As you will recall aluminium is obtained by electrolytic reduction of alumina in fused cryolite at 110-130 K using carbon anode and iron cathode. Electrolysis yields aluminium at cathode and 02 at anode which reacts with carbon to produce CO2. The reactions at electrodes are:
Anode: 2O2- --------------> O2 (g) + 4e
C(s) + O2 (g) ------------------> CO2 (g)
Cathode: Al3+ 3e------------> Al(s)
Q. Illustrate modern atomic model of De Broglie? 1. Electrons inhabit the space surrounding the nucleus and can exist in several discrete principal energy levels each designate
The difference among Threshold energy and average energy of the molecules is known as activation energy.
Diazomethane has the following composition by mass: 28.57% c ,4.80% h and 66.64% n . The molar mass of diazometane is 42.04 g/mol. Find the molecular formula of diazomethane and dr
Given that dH for the reaction is -92.2 kJ mol-1, which is larger, the total bond dissociation energy of the reactants or the total bond dissociation energy of the products?
Q. Determine the moisture content in flour? After undertaking this activity, you will be able to: • assess the moisture content in the given sample of flour, • determin
write a short note on cyclic voltametry
(a) How is aniline obtained from benzene? (b) Why are the secondary amines more basic than primary amines? Describe. (c) Write the complete chemical reactions for the convers
Explain with appropriate diagrams the lever rule and Tie-line rule. Compositions of two coexisting phases of a binary system are given by tie-line rule. For overall composition
solution A is made by dissolving sodium acetate in methanol. so
write the chemical properties of aromatic compounds.
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