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Quantitative analysis - Estimation of Elements
After qualitative analysis of elements, the another step in the determination of molecular formula of an organic compound is the estimation of several elements by mass, that is finding the percentage composition of the elements by mass. The several methods generally employed for the estimation of principal elements are as follow:
1. Carbon and Hydrogen
2. Nitrogen
3. Halogens
4. Sulphur
5. Phosphorous
6. Oxygen
decreasing order of +M.E. group
Effect of Substituents on Acidity: The complete effect of a substituent on acidity of substituted benzoic acids is because of two factors. (i) Inductive effect: If the subs
State 2nd law of thermodynamics in many forms as possible and show that they are identical in figures?
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Which of the following is an incorrect representation for a neutral atom: 108/47Ag 63/30Cu 30/15P 13/6C 6/3Li
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By who can sublimation be useful? How can it be useful?
Free radical and Aromatic rearrangement Migration or Rearrangement to free radical species or Free radical rearrangement: Those rearrangement reactions where the migr
information of boron element
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