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कर्नाटक बोर्ड पी.यू.सी.पीयूसी विज्ञान 2nd PUC Class 12

How will you prepare the given compound from benzene? You may use any inorganic reagent and any organic reagent having not more than one carbon atom. Phenylacetic acid - Chemistry

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प्रश्न

How will you prepare the given compound from benzene? You may use any inorganic reagent and any organic reagent having not more than one carbon atom.

Phenylacetic acid

रासायनिक समीकरणे/रचना
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उत्तर

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पाठ 8: Aldehydes, Ketones and Carboxylic Acids - Exercises [पृष्ठ २५६]

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एनसीईआरटी Chemistry Part 1 and 2 [English] Class 12
पाठ 8 Aldehydes, Ketones and Carboxylic Acids
Exercises | Q 8.14 (iv) | पृष्ठ २५६

संबंधित प्रश्‍न

On acid hydrolysis, propane nitrile gives.


How is carbolic acid prepared from chlorobenzene?


Identify ‘A' and ‘B’ in the following reaction :

C6H5MgBr + C02 `(`> ‘A’   `(PCl_5)/()`> ‘B’

 


Write the structures of A and B in the following reactions


Show how the following compound can be converted to benzoic acid.

Ethylbenzene


Show how the following compound can be converted to benzoic acid.

Acetophenone


Show how the following compound can be converted to benzoic acid.

Bromobenzene


An organic compound (A) (molecular formula C8H16O2) was hydrolysed with dilute sulphuric acid to give a carboxylic acid (B) and an alcohol (C). Oxidation of (C) with chromic acid produced (B). (C) on dehydration gives but-1-ene. Write equations for the reactions involved.


How will you prepare the given compound from benzene? You may use any inorganic reagent and any organic reagent having not more than one carbon atom.

m-Nitrobenzoic acid


How will you prepare the given compound from benzene? You may use any inorganic reagent and any organic reagent having not more than one carbon atom.

p-Nitrobenzoic acid


How will you bring about the following conversion in not more than two steps?

Benazaldehyde to α-Hydroxyphenylacetic acid


Complete the synthesis by giving missing starting material, reagent or product.


The functional group present in triacylglycerol is _______.


The reagent which does not react with both, acetone and benzaldehyde.


Match the reactions given in Column I with the suitable reagents given in Column II.

Column I
(Reactions)
Column II
(Reagents)
(i) Benzophenone Diphenylmethane (a) \[\ce{LiAlH4}\]
(ii) Benzaldehyde 1-Phenylethanol (b) \[\ce{DIBAL-H}\]
(iii) Cyclohexanone Cyclohexanol (c) \[\ce{Zn(Hg)/Conc. HCl}\]
(iv) Phenyl benzoate Benzaldehyde (d) \[\ce{CH3MgBr}\]

Substitution of one alkyl group by replacing hydrogen of primary amines


Hex-4-ene-2-ol on treatment with PCC gives 'A'. 'A' on reaction with sodium hypoiodite gives 'B', which on further heating with soda lime gives 'C. The compound 'C' is ______.


Fill in the blanks by choosing the appropriate words from those given in the brackets:

[stable, low, aldehyde, unstable, 6, 4, ethane, Clemmensen’s, 2, 3, carboxylic acid, high, propane, Rosenmund's]

The primary alcohols are easily oxidised first into ______ and then into ______.


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