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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)
find H^+ concentration if Ph=4.90
For which of the following sets of four quantum numbers, an electron will have the highest energy: n l m s
why zinc extracted from zinc oxide through reduction with co? Ans) Reducing agent should have more negative ΔG value. In case of zinc oxide ,Zn has more negative ΔG value then CO
The ionisation potential of a hydrogen atom is -13.6 eV. What will be the energy of the atom corresponding to n= 2 . (1) -3.4 eV (2)-6.8 eV (3) -1.7 eV
esters IR Spectrum
how much atp energy (kcal) is produced in our bodies from the conversion of 100.0 moles of sucrose?
Which of the following is always a whole number : (1) Atomic weight (2) Atomic radii (3) Equivalent weight (4) Atomic number Ans: Atomic number
Explain about the Defect breakdown It is because of cracks and pores at the surface. Moisture from atmosphere can collect on the surface and result in breakdown. Glazing is
An aqueous solution has a hydroxyl concentration of 1.75 x 10^-7mol/L. Find the concentration of hydrogen ions in this solution.
Uses of Dihydric alcohols (a) Dihydric alcohols are used as antifreeze in car radiators. (b) Dihydric alcohols is used in the manufacture of dacron, dioxane etc. (c) Dihy
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