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Coupling reaction - Miscellaneous reactions
Phenol couples along with benzene diazonium chloride in existence of an alkaline solution to make a red dye (p-hydroxy azobenzene).
Phenol couples with phthalic anhydride in existence of concentrated to make a dye, (phenolphthalein) used as an indicator.
Q. Explain about Extraction of metals? Extraction of metals is very often done by complex formation. For example, the cyanide process for the extraction of silver and gold is w
introduction to esters ,preparation, proprties, and their uses in daily life
Electronegativity may be described as the power of an atom to attract electrons to itself in a chemical bond. It is the most important chemical parameter in calculating the type of
why pcl3 and s2cl2 are less polar then sicl4
how do i make a first class in chemistry, secondly in nigeria chemistry is based on too much theory. how do i make it in this case?
variation of cnductivigy with temperature
Ions which have the same electronic configuration are those of: (1) Lithium and sodium (2) Sodium and potassium (3) Potassium and calcium (4) Oxygen and chlorine An
how did the british discover this isotope on different things when they investigated the Litvenko murder
Types of Substituents which Produce Directive Effect There are two kinds of substituents which generate directive effect are, (i) Those that direct the incoming group to ort
Analysis of oils and fats - Acid value It points out the amount of free acid present in the oil or fat. It is described as the number of milligrams of KOH needed to neutralize
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