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Pyroligneous acid - Aldehydes and Ketones
Pyroligneous acid consisting of acetic acid, acetone and methyl alcohol that is distilled in copper vessel and the vapours are passed via hot milk of lime. Acetic acid combines to make nonvolatile calcium acetate. The methanol and acetone's unabsorbed vapours are condensed and fractionally distilled. Acetone distills at 56° C.
So the acetone obtained is purified with the help of sodium bisulphite.
Stability of gem diols lies on the following factors: (a) Steric hindrance by +I group around α-carbon decreases the stability of gem diols. +I group decreases stability of gem
The ratio of the energy of a photon of 2000Å wavelength radiation to that of 4000 Å radiation is: (1) 1/4 (2) 4 (3) 1/2 (4) 2 Ans
explain.
advantages and dis advantages
various concepts of acid and base
The magnetic quantum number specifies : (1) Size of orbitals (2) Shape of orbitals (3) Orientation of orbitals (4) Nuclear stability Ans: Orientation of orbitals
The quantum number which may be designated by s, p, d, and f instead of number is: (1) n (2) l (3) m 1
Conversion of phenol to salicyclic acid
Electronic configuration of H - is : (1) 1s 0 (2) 1s 1 (3)1s 2 (d) 1s 1 , 2s 1 Ans: 1s 2
Explain indoctomeric effect with example of nitro compound?
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