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Standard XII

Chemistry

Preparation of Carboxylic Acids

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Question

Write chemical equations for the following conversions:
(i) Nitrobenzene to benzoic acid.
(ii) Benzyl chloride to 2-phenylethanamine.
(iii) Aniline to benzyl alcohol.

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Solution

$(i) C_{6} H_{5} N O_{2} H_{2} / P d - --- \to C_{6} H_{5} N H_{2} N a N O_{2} + H C l - ------- \to C_{6} H_{5} N_{2} C l K C N - -- \to C_{6} H_{5} C N H_{3} O^{+} - -- \to C_{6} H_{5} C O O H$

$(i i) C_{6} H_{5} C H_{2} C l E t h a n o l i c N a C N - --------- \to C_{6} H_{5} C H_{2} C N H_{2} / N i - --- \to C_{6} H_{5} C H_{2} C H_{2} N H_{2}$

$(i i i) C_{6} H_{5} N H_{2} N a N O_{2} + H C l - ------- \to C_{6} H_{5} N_{2} C l K C N - -- \to C_{6} H_{5} C N H_{3} O^{+} - -- \to C_{6} H_{5} C O O H L i A l H_{4} - --- \to C_{6} H_{5} C H_{2} O H$

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Similar questions

Accomplish the following conversions:

(i) Nitrobenzene to benzoic acid

(ii) Benzene to m-bromophenol

(iii) Benzoic acid to aniline

(iv) Aniline to 2,4,6-tribromofluorobenzene

(v) Benzyl chloride to 2-phenylethanamine

(vi) Chlorobenzene to p-chloroaniline

(vii) Aniline to p-bromoaniline

(viii) Benzamide to toluene

(ix) Aniline to benzyl alcohol.

Q. Name the reagent used to convert benzyl alcohol to benzoic acid.

Q. How is the following conversation carried out?

B e n z y l c h l o r i d e ⟶ B e n z y l a l c o h o l

Q. Hydrogenation of benzoyl chloride in the presence of

P d / B a S O_{4}

gives:

How the following conversions can be carried out?

(i) Propene to propan-1-ol

(ii) Ethanol to but-1-yne

(iii) 1-Bromopropane to 2-bromopropane

(iv) Toluene to benzyl alcohol

(v) Benzene to 4-bromonitrobenzene

(vi) Benzyl alcohol to 2-phenylethanoic acid

(vii) Ethanol to propanenitrile

(viii) Aniline to chlorobenzene

(ix) 2-Chlorobutane to 3, 4-dimethylhexane

(x) 2-Methyl-1-propene to 2-chloro-2-methylpropane

(xi) Ethyl chloride to propanoic acid

(xii) But-1-ene to n-butyliodide

(xiii) 2-Chloropropane to 1-propanol

(xiv) Isopropyl alcohol to iodoform

(xv) Chlorobenzene to p-nitrophenol

(xvi) 2-Bromopropane to 1-bromopropane

(xvii) Chloroethane to butane

(xviii) Benzene to diphenyl

(xix) tert-Butyl bromide to isobutyl bromide

(xx) Aniline to phenylisocyanide

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Write chemical equations for the following conversions:(i) Nitrobenzene to benzoic acid.(ii) Benzyl chloride to 2-phenylethanamine.(iii) Aniline to benzyl alcohol.

Write chemical equations for the following conversions:
(i) Nitrobenzene to benzoic acid.
(ii) Benzyl chloride to 2-phenylethanamine.
(iii) Aniline to benzyl alcohol.