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Alcohols, Phenols and Ethers

Long Answer Type

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

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Short Answer Type

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

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23. 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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24. 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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25. Predict the products of the following reactions:

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26. Predict the products of the following reactions:

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27. Predict the products of the following reactions:

left parenthesis CH subscript 3 right parenthesis subscript 3 straight C space minus space OC subscript 2 straight H subscript 5 space space rightwards arrow with HI on top

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28. Write IUPAC name of the following compounds:

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29. Write IUPAC name of the following compounds:

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30. Write IUPAC name of:

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