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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)
A water solution contains 64% Na 2 S 2 O 2 together with 1.0% soluble impurity. Upon cooling to 5°C, Na 2 S 2 O 2 ·5H 2 O. crystallizes out. The solubility of this hydrate is 1.35
Physical properties of Glucose 1. Glucose is a colourless crystalline solid, melts at 146° C. 2. Glucose is readily soluble in water. 3. From aqueous solution,Glucose se
An Lewis acid-base dissociation of the bromide-essentially an SN1 reaction-gives an a-hydroxy carbo-cation, which is, by resonance, also the conjugate acid of acetophenone. Deproto
Q. Determine the heat transfer? Ans. Let's say a blacksmith tosses a hot horse shoe into a bucket of water. The horseshoe will get cooler while the water gets hotter. Ideally
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The chemical reaction at one time the rate of forward and backward reaction becomes equal that state is known as Equilibrium state.
Consumer testing Consumer testing is the next crucial aspect in product development. Consumer testing can be done in three ways: 1. In-house laboratory testing 2. Ho
The number of radial nodes of 3s and 2p orbitals are respectively : (1) 2, 0 (2) 0, 2 (3) 1, 2 (4) 2, 1 Ans: 2, 0
Electrovalent bond formation depends on: (1) Ionization energy (2) Electron affinity (3) Lattice energy (4) All the three above Ans: All the three above
Q. What is gamma radiation? The third kind of radiation is gamma radiation (g-radiation) which is high-energy electromagnetic radiation. Gamma radiation is typically emitted
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