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Organic Chemistry – Some Basic Principles And Techniques
Amount of oxalic acid present in a solution can be determined by its titration with KMnO4 solution in the presence of H2SO4. The titration gives unsatisfactory result when carried out in the presence of HCl, because HCl
gets oxidised by oxalic acid to chlorine
furnishes H+ions in addition to those from oxalic acid
reduces permanganate to Mn2+
oxidises oxalic acid to carbon dioxide and water
C.
reduces permanganate to Mn2+
HCl being stronger reducing agent reduces MnO4− to Mn2+ and result of the titration becomes unsatisfactory.
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What are isomers?
How many chain isomers are possible for pentane?
Which characteristic is common to different isomers of a compound?
Name three alkanes which do not show chain isomerism.
Name the types of structural isomerism shown by alkanes.
Name the four main types of structural isomerism.
Write the three possible open chains of five carbon atoms
What types of structural isomerism is shown by the following pairs of organic compounds ?
Draw the structure of the tautomer of phenol and write its IUPAC name.
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