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Schiff's reaction and Tischenko reaction
(a) Schiff's reaction: this reaction restores pink colour to Schiff's reagent (aqueous solution of p-rosaniline hydrochloride decolourised through passing sulphur dioxide).
(b) Tischenko reaction: On heating benzaldehyde along with aluminium alkoxide (ethoxide) and a little of anhydrous AlCl3 or ZnCl2, it goes through an intermolecular oxidation and reduction (such as aliphatic aldehydes) to make acid and alcohol respectively like and react to produce benzyl benzoate (an ester).
Stearic effect - relative reactivity of aldehydes and keto The size of the alkyl group is much more than that of hydrogen. In aldehydes, there is one alkyl set although in keto
Tert-butylamine Tert-butylamine cannot be prepared by the Gabriel synthesis because it would require that the nitrogen of phthalimide be alkylated with tert-butyl bromide in an
redox reaction of ethanal,caustic soda&copper hydroxide
what is electrovalent bond
Reaction of ammonia with diborane at 475K gives a compound B3N3H6 known as borazine or borazole: Borazine is best prepared by reducing B-trichloroborazme with sodium borohy
briefly explain laws of atoms with example
Q. Define Allotropic forms? All the elements of the group show allotropy. Oxygen exists in two allotropic forms. Dioxygen. 02, is a diatomic gas, paramagnetic in nature. Lewis
SULFUR, SELENIUM AND TELLURIUM The elements known commonly as the chalcogens are in the same group (16) as oxygen. They form some compounds same to those of oxygen, but show m
Q. Storehouse of minerals? in addition to the earth's crust, oceans also provide a huge storehouse of minerals in which the metals occur primarily as soluble sulphates and hali
Basics of Periodic Table.
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