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Characterisation and Purification of organic compounds
The study of organic compounds begins along with the characterization of the compound and the determination of its molecular structure. The process usually used for this purpose contains the following steps :
(A) Purification of organic compounds
(B) Qualitative analysis of organic molecules
(C) Quantitative analysis of organic molecules
(D) Determination of molecular mass of organic compounds
(E) Calculation of Empirical formula and Molecular formula of organic compounds
(F) Determination of structure of organic compounds by spectroscopic and diffraction methods
A electrovalent compound is made up of: (1) Electrically charged molecules (2) Neutral molecules (3) Neutral atoms (4) Electrically charged atoms or group of atoms
The charge of an electron is -1.6 x10 -19 C. The value of free charge on Li + ion will be: (1) 3.6x 10 -19 c (2) 1x 10 -19 c (3) 1.6 x 10 -19
Q. Show the Colorimetric analysis? Colorimetric analysis depends on the variation of the colour with the change in concentration of the compound. Usually, absorption of light i
Comment on the validity of the following statements, giving reasons: (a) Thermodynamically an exothermic reaction is sometimes not spontaneous. (b) The entropy of steam is mo
It is stated that Bohrs theory is applicable to hydrogen like ions.why? Ans) It is not stated in bohr''s theory but it is a drawback of his theory. The reason for this is
law of conservation of mass
What is the concentration of Oleic Acid in mg/100ml (Wt/Vol) in Extra Virgin Olive Oil (EVOO)?
applications of photochemistry in daily life
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?H value obtained for the reaction NH3 + HCl –› NH4Cl using the thermodynamic data in your lab procedure?
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