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Predict the products of the following reactions:
CH subscript 3 minus CH subscript 2 minus CH subscript 2 minus OCH subscript 3 plus HBr space rightwards arrow from conc. to Cold space and of

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Write the equations involved in the following reactions:
(i) Reimer-Tiemann reaction        
(ii) Kolbe’s reaction.


(i) Reimer-Tiemann reaction:



(ii) Kolbe’s reaction:





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Predict the products of the following reactions:



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Which of the following is an appropriate set of reactants for the preparation of 1-methoxy-4-nitro-benzene and why?


In structure (a), group sodium methoxide (CH3ONa) is a strong nucleophile also it is a strong base. Hence, an elimination reaction predominates over a substitution reaction.

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Write the reactions of Williamson synthesis of 2-ethoxy-3-methylpentane starting from ethanol and 3-methyl pentan-2-ol.

It is an important laboratory method for the preparation of symmetrical and unsymmetrical ethers. In this method, an alkyl halide is allowed to react with sodium alkoxide.



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