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Organic Chemistry - Some Basic Principles and Techniques

Quantitative Analysis

Last Updated on March 20, 2019 By Mrs Shilpi Nagpal 2 Comments

Quantitative analysis Chapter 12 chemistry

Quantitative analysis means to determine the percentage of each element. Estimation of Carbon and Hydrogen Principle. A known mass of the organic compound is heated strongly with excess of dry copper oxide in a current of dry air or oxygen (free from carbon dioxide). Under these conditions, carbon present in the organic compound is oxidized to carbon dioxide and hydrogen is … [Read more...] about Quantitative Analysis

Qualitative Analysis

Last Updated on March 20, 2019 By Mrs Shilpi Nagpal 3 Comments

Detection of Carbon and Hydrogen

Qualitative Analysis Qualitative analysis means to detect the various elements present in it. The elements which commonly occur in organic compounds are carbon, hydrogen, oxygen and nitrogen. Detection of Carbon and Hydrogen Principle: The presence of carbon and hydrogen, in an organic compound, is detected by heating the given compound with dry Copper(II) oxide or … [Read more...] about Qualitative Analysis

Purification Of Organic Compounds

Last Updated on March 20, 2019 By Mrs Shilpi Nagpal 8 Comments

Crystallisation

Here are some of the important methods which are commonly employed for the purification of organic compounds: Filtration The process of filtration is used to separate insoluble solid component of a mixture from the soluble components in a given solvent. It is used to separate a mixture of naphthalene and urea using water as solvent. Urea dissolves in water while … [Read more...] about Purification Of Organic Compounds

Types of organic reactions

Last Updated on October 19, 2020 By Mrs Shilpi Nagpal 4 Comments

base catalysed dehydrohalogenation of alkyl halides

All the organic reactions can be classified into the following eight types: Substitution reactions Addition reactions Elimination reaction Rearrangement reactions Condensation reaction Isomerisation reaction Pericyclic reactions Polymerization reactions Substitution Reaction A substitution reaction is that which involves the direct replacement of … [Read more...] about Types of organic reactions

Free Radicals

Last Updated on March 20, 2019 By Mrs Shilpi Nagpal 2 Comments

Formation of chlorine radical

Free Radical A free radical may be defined as an atom or a group having an odd or unpaired electron.These are generally produced by homolytic cleavage of a covalent bond. Classification of Free Radicals Free radicals are also classified as primary (1°) , secondary (2°) and tertiary (3°) according as the carbon carrying the unpaired electron is primary, secondary and … [Read more...] about Free Radicals

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