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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

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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?


Name the reagents used in the following reactions:


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

Acetophenone


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

Bromobenzene


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

Phenylethene (Styrene)


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.

p-Nitrobenzoic acid


How is methoxy benzene prepared from carbolic acid?


Name the reagents used in the following reactions:


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


Which is the most suitable reagent for the following conversion?

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


Through which of the following reactions number of carbon atoms can be increased in the chain?

(i) Grignard reaction

(ii) Cannizaro’s reaction

(iii) Aldol condensation

(iv) HVZ reaction


Which of the following substance produced acetaldehyde on dry distillation?


Benzoic acid can be obtained by the oxidation of all of the following EXCEPT ______.


Match List - I with List - II.

List - I List - II
(a) \[\ce{->[CO,HCl][Anhyd. AlCl3/CuCl]}\] (i) Hell-Volhard-Zelinsky reaction
(b)
\[\begin{array}{cc}
\ce{O}\phantom{.................}\\
||\phantom{.................}\\
\ce{R - C - CH3 + NaOX ->}
\end{array}\]
(ii) Gattermann-Koch reaction
(c) \[\ce{R - CH2 - OH + R'COOH ->[Conc. H2SO4]}\] (iii) Haloform reaction
(d) \[\ce{R - CH2COOH ->[(i) X2/Red P][(ii) H2O]}\] (iv) Esterification

Choose the correct answer from the options given below.


The end product Y in the sequence of reaction:

\[\ce{RX ->[CN^-] X ->[NaOH] Y}\] is:


Alkaline hydrolysis of C4H8Cl2 gives a compound (A) which on heating with NaOH and I2 produces a yellow precipitate of CHI3. The compound (A) should be ______.


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