Connective tissue (CT) is one of the four types of biological tissue that support, connect, or separate different types of tissues and organs in the body. The other three types are epithelial, muscle, and nervous tissue.
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Baeyer's reagent, named after the German organic chemist Adolf von Baeyer, is used in organic chemistry as a qualitative test for the presence of unsaturation, such as double bonds.Baeyer's reagent is an alkaline solution of cold potassium permanganate, which is a powerful oxidant making this a redox reaction.Reaction with double or triple bonds (-C=C-or-Câ¡C-) in an organic material causes the color to fade from purplish-pink to brown. It is a syn addition reaction.Aldehydes and formic acid (and formic acid esters) also give a positive test.eaction with double or triple bonds (-C=C-or-Câ¡C-) in an organic material causes the color to fade from purplish-pink to brown. It is a syn addition reaction. Aldehydes and formic acid (and formic acid esters) also give a positive test.