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Nucleophilic aromatic substitution reaction
The product is formed by a nucleophilic aromatic substitution reaction in which chloride is displaced by hydroxide ion. The product is ionized by -OH present in the reaction mixture; addition of acid (H3O+) forms the neutral phenol.
Visible range of hydrogen spectrum will contain the following series: (1) Pfund (2) Lyman (3) Balmer (4) Brackett Ans: Balmer
Q. Write short note on units of hardness and their relationship. Sol. Units of hardness and their relationship. (1) Parts Per million (ppm): It is defined as t
Nucleus - Nomenclature of simple aromatic compounds The benzene ring denoted by regular hexagon of six carbon atoms along with three double bonds in the alternate positions is
Q. What are ion selective membranes used in electro dialysis of brackish water. Give examples. Ans. Electro dialysis for brackish water: The ion selective membranes are use
After the treatment of A with concentrated H 2 SO 4 and acetonitrile under thermodynamic conditions, only E formed that was subsequently hydrolyzed to B. Draw the structure of
Mutation: A mutation is a physical or chemical change which changes the sequence of bases in DNA molecule. Anything which causes mutation is known as mutagen. A mutation conseq
It is a part of chemistry which deals with the organic compounds formed by carbon , hydrogen ,oxygen.
ester formation
proton neutron hypothesis
The maximum energy is present in any electron at: (1) Nucleus (2) Ground state (3) First excited state (4) Infinite distance from the nucleus Ans: Infinite dis
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