Explain the general mechanism of electrophilic aromatic substitution in detail.
[6 marks]Explain the orientation of nitrobenzene and phenol towards electrophilic substitution reaction giving reactions.
[5 marks]Write and explain Huckel’s rule for aromaticity with examples.
[5 marks]Justify the below statements.
[6 marks]Even though benzene is having three double bond do not undergo addition reaction ii) Aryl halide or vinyl halide donot shows Friedel Craft alkylation reaction.
[ marks]Give structure and uses of DDT, Saccharin, and BHC.
[5 marks]What are the limitations of Fridel Craft alkylation explain with suitable examples.
[5 marks]What is Bayer’s strain theory? Explain it and also discuss its limitations.
[6 marks]Which theory explains the stability of cyclohexane? Draw all the possible conformer of cyclohexane and comment on its stability.
[5 marks]Write any two reactions of cyclopropane and cylcobutane.
[5 marks]Explain, Haworth synthesis of naphthalene in detail.
[6 marks]Comment on the given below statements.
[5 marks]Nitration of naphthalene gives 1-Nitronaphthalene. ii) Para nitro phenol is less acidic than phenol
[ marks]Write structure and medicinal uses of Phenanthrene, Diphenylmethane and Triphenylmethane
[5 marks]Define the following and give its significance;
[6 marks]Acid value ii) Iodine value iii) Reichert Meissl (RM) value
[ marks]Give the reactions of Fatty acid.
[5 marks]Write the general method to prepare benzene diazonium salt and explain its synthetic applications. Q. 6 (a) Explain the effect of substituents on acidity of benzoic acid with suitable examples.
[6 marks]Give structure and uses of phenol, cresols, and naphthols.
[5 marks]Explain about qualitative tests of phenols.
[5 marks]Explain about Dow process and Cumene process to synthesize phenol.
[6 marks]Comment on the basicity of ethyl amine, ammonia, aniline and pyrrole.
[5 marks]Write any two methods for preparation of aromatic amines.
[5 marks]