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Methods yielding mixture of amines - Hofmann's method
Hofmann's method: The mixture of amines (1°, 2° and 3°) is made by the alkylation of ammonia along with alkyl halides.
The primary amine can be ready in a good yield by using a large excess of ammonia. The process is as well known as ammonolysis of alkyl halides. It is also known as a nucleophilic substitution reaction.
A solution is made by dissolving30 g of a non-volatile solute in 90 g of water. It has a vapour pressure of 2.8 kPa at 298 K. At 298 K, vapour pressure of pure water is 3.64 kPa
Which of the following has highest melting point: (1) BaCl 2 (2) MgCl 2 (3) Cacl 2
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what is solid
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If the velocity of hydrogen molecule is5*10^4 cm/sec tjen its de broglie wavelength is
density of gas is 2.86 ltr.the gas may be-
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Bohr's model can explain : (1) The spectrum of hydrogen atom only (2) Spectrum of atom or ion containing one electron only (3) The spectrum of hydrogen molecule (4
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