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Drying of Organic Substances- purification of organic compounds
Several solids are dried first by pressing them gently in between folds of filter papers. Compounds that neither decompose on heating nor melt below 100oC are dried through keeping them in steam or oven maintained at 110oC. Substances that decompose on heating are dried by keeping them in a vacuum desiccator consisting of an appropriate dehydrating agent such as fused CaCl2, conc. H2SO4, P4O10 solid KOH or NaOH, etc (desiccant).
Q. Describe Coordinated octahedral complexes? Six-coordinated octahedral complexes of the type Mubr, Ma 3 b 3 , Ma 3 b 2 c, Ma 3 bcd, Ma 2 bcd, Ma 2 bcde, Mabcd of would all g
what is organic chemistry
Properties of Catechol 1. Catechol is a colourless crystalline solid, its melting points is 105°C. 2. Catechol is soluble in water. 3. Catechol is exaggerated on exposure
Name the chemical components which constitute nucleotides. Write any two functions of nucleotides in a cell.
Q. Show the Nomenclature compounds? In the earlier days naming of complexes was based on the colour of the complex. For example: Compound Colou
glycerol,synthesis from propane
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).
Application of mesomeric effect (A) Low reactivity of vinyl halides and aryl, (B) The acidic behavior of carboxylic acids, (C) Basic character comparison of aniline and e
Q. Write short notes on fabrication of rubber objects. Sol. Fabrication of Rubber: in the row condition rubber is composed of molecules of great length and molecular weight.
Factors affecting TLC
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