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How will you bring about the following conversion in not more than two steps? Benazaldehyde to α-Hydroxyphenylacetic acid - Chemistry

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प्रश्न

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

Benazaldehyde to α-Hydroxyphenylacetic acid

रासायनिक समीकरण/संरचनाएँ

उत्तर १

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अध्याय 12: Aldehydes, Ketones and Carboxylic Acids - Exercises [पृष्ठ ३७८]

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एनसीईआरटी Chemistry [English] Class 12
अध्याय 12 Aldehydes, Ketones and Carboxylic Acids
Exercises | Q 15.8 | पृष्ठ ३७८

संबंधित प्रश्न

How is carbolic acid prepared from chlorobenzene?


Name the reagents used 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.

Phenylethene (Styrene)


Predict the products formed when cyclohexanecarbaldehyde reacts with the following reagent.

Tollens’ reagent


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.

Methyl benzoate


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


What is the action of following reagents on glucose?
1. Bromine water
2. Hydroxylamine


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


Which is the most suitable reagent for the following conversion?

\[\begin{array}{cc}
\phantom{....................}\ce{O}\phantom{.....................................}\ce{O}\phantom{.}\\
\phantom{....................}||\phantom{......................................}||\phantom{.}\\
\phantom{}\ce{CH3 - CH = CH - CH2 - C - CH3 -> CH3 - CH = CH - CH2 - C - OH}\phantom{.}
\end{array}\]


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


Which of the following substance produced acetaldehyde on dry distillation?


Y is:


A compound 'X' with molecular formula C3H8O can be oxidised to a compound 'Y' with the molecular formula C3H6O2 'X' is most likely to be ______.


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 ______.


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