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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)
In this synthesis of indole the addition of keto thioether to choloroamine to give sulphonium ion. this reaction is carried out at low temperature . why?
difference between edta and clark method
From personal experience, describe whether these processes are endothermic or exothermic. Give a reason for each. a . A charcoal briquette burns. b . Ice me
Explain classification of arches according to shapes raw a neat sketch of Flemish bond (1 brick wall and 1.5 brick wall thickness ).
Explain Ethanolysis Ethanolysis of the acetal linkage occurs in ethanol just as hydrolysis occurs in water. An ethyl pyranoside is also produced from the glucose residue at th
Coordination number and geometry Binary compounds are ones with two different elements present. 'Simple' crystal structures can be classed as ones in which each atom (or
If hydrogen atom is in an energy level represented by n=4,how many spectral lines are possible in its emission spectrum? Ans) There is a formula for this i.e [ (n 2- n 1 +1)
Acetanilide in water Water can accept a hydrogen bond from the hydrogen of the N-H bond, and can donate a hydrogen bond to the oxygen of the CAO bond as well as to the nitrogen
Shielding of proton by electrons
What is the net charge of a non-ionized atom? In an atom, the number of protons is equivalent to the number of electrons and that single proton has the similar positive charge v
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