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  • (a) What is a homologous series ? Explain with an example. (b) Define the following terms giving one example of each. (i) Esterification (ii) Addition reaction <img alt="5" src="https://learn.careers360.com/latex-imag

(a) What is a homologous series ? Explain with an example.

(b) Define the following terms giving one example of each.

(i) Esterification

(ii) Addition reaction 5

 

 

 

 
 
 
 
 

Answers (1)

(a) Homologous series is a group of compounds which have the same functional group , same general formula and where to successive member differ by – CH2 in the molecular formula

Example of Homologous series is : CH3-OH and CH3 -CH2-OH Functional group : -OH , General Formula : CnH2nOH and successive member differ by – CH2 

(b) Esterification : The reaction of carboxylic acid with an alcohol in the presence of H2SO4 yields an ester.

CH3COOH+C2H5OH -------> CH3COOC2H5 (Ester) + H2O

Addition Reaction : A reaction in which two or more atoms are added across a double or triple bond in presence of catalyst is called addition reactions.

CH2=CH2+H2 ---(Pt./Pd or Ni)--->  CH3-CH3

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