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Modern Meaning of Organic Chemistry
Organic chemistry is a chemistry of hydrocarbons and their derivatives where covalently bonded carbon is a necessary constituent. Berzelius put forward a theory in year 1815 termed as vital force theory. It describes that, "organic compounds could be prepared just only by living organism within the influence of a mysterious force termed as vital force". Accidental synthesis of urea from Wohler and synthesis of acetic acid from Kolbe led to the fall of this theory.
Berthelot made methane in laboratory and the mainly abundant organic compound is cellulose that is a polymer of glucose. Kekule and Couper planned the tetravalency of carbon and wrote the first structural formula. In year 1874, Van't Hoff and Le Bell suggested a tetrahedron model of carbon.
Basic radical chemical analysis?
Q. Define Ionisation Isomerism? Ionisation Isomerism: when coordinated ions exchange positions with ions present in the lattice position, we get ionisation isomers. Thus comp
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Laboratory safety During your observation of chemistry you will conduct experiments in the laboratory. When working in the lab you are accountable for the safety of yourself and o
A single covalent bond is build when two atoms share a pair of electrons. Triple and double bonds can be formed when two or three such pairs are shared. A Lewis structure is a repr
Doctors prescribe medicine based upon body weight. The recommended dose is 5.0 mg antibiotic per kg body weight and the antibiotic is dissolved to form a solution with a concentrat
Fe+ AgNO3-->Fe(NO3)2 + Ag
Methods yielding mixture of amines - Hofmann's method Hofmann's method: The mixture of amines (1°, 2° and 3°) is made by the alkylation of ammonia along with alkyl halides.
Why must washing with methanol be carried out in a fume cupboard?
Which of the following electronic configuration is not possible: (1) 1s 2 2s 2 (2) 1s 2 2s 2 2p6 (3) [Ar]3d 10 4s 2 4
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