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Gabriel phthalimide synthesis: This method includes the subsequent three steps.
1. Phthalimide is reacted along with KOH to form potassium phthalimide.
2. The potassium salt is treated along with an alkyl halide.
3. The product N-alkyl phthalimide is put to hydrolysis along with hydrochloric acid while primary amine is formed.
While hydrolysis is difficult, the N-alkyl phthalimide can be treated along with hydrazine to give the needed amine.
Be's 4th electron will have four quantum numbers: n l m s (1) 1 0 0 +1/2 (2) 1 1 +1 +1/2
what is the pattern and mechanism of fatty acid distribution in trihydri alcohol for triacylglycerol formation.
In covalency : (1) Electrons are transferred (2) Electrons are equally shared (3) The electron of one atom are shared between two atoms (4) None of the above Ans: E
what is chemical cobination
Q. Explain about beta radiation? The second common kind of radiation is beta radiation which consists of high-energy electrons called beta particles (β -particles).
Dessicants(drying agents) can often be regenerated by heating. A dessicant that is commonly regenerated is CaSO 4 .2H 2 O:
how to dye a cotton and wool cloth with aniline yellow?
Enthalpy, H, is defined by the relationship H=U+pV. The enthalpy change, ΔH, for finite changes at constant pressure is given by the expression ΔH = ΔU+pΔV, so making the enthalpy
Physical properties of Halo-arenes (i) Physical state: they are colourless liquid or crystalline solid. (ii) Solubility: Halo-arenes are not soluble with water, but dissolve
Ratio of radii of second and first Bohr orbits of H atom: (1) 2 (2) 4 (3) 3 (4) 5 Ans: 4
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