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Necessary Precautions for Quick Vinegar Process
In this process, the following precautions are necessary:
a. The concentration of the ethyl alcohol could not be much more than 15%, or else the bacteria becomes inactive.
b. The supply of air has to be regulated. Along with less air the oxidation occurs only upto acetaldehyde stage when with excess of air, the acid is oxidised to CO2 and water.
c. The flow of alcohol is regulated that is why temperature does not exceed 35°C that is the optimum temperature for bacterial growth.
How are the following conversions carried out? (i) Benzyl chloride to benzyl alcohol, (ii) Methyl magnesium bromide to 2- methlpropan -2-ol,
1 gm of a metallic oxide on reduction gives 0.68 gm of the metal. ans) Mass of metal/mass of oxygen=eq. mass of metal/eq. mass of oxygen. applying this we get .68/.32=x/8 x=1
explain vsepr thheory
Uses of Unsaturated halides (Halo-alkene) The major use of vinyl chloride is in the manufacture of polyvinyl chloride that is abbreviated as PVC plastic that is employed these
How coloured ion is formed
The energy that opposes dissolution of a solvent is: (1) Hydration energy (2) Lattice energy (3) Internal energy (4) Bond energy Ans: B
Effect of impurities on resistivity: A small percentage of impurities can result in substantial increase in resistivity i.e. decrease in the conductivity. Mathem
principles of GCMS
Angular functions: 'shapes' The mathematical functions for atomic orbitals may be described as a product of two factors: the radial wavefunction defines the behavior of th
complete discription of van''t hoff factor
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