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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. p-Nitrobenzoic 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.

p-Nitrobenzoic acid

रासायनिक समीकरण/संरचनाएँ
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उत्तर

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

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

संबंधित प्रश्न

On acid hydrolysis, propane nitrile gives.


How is carbolic acid prepared from chlorobenzene?


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.

Bromobenzene


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


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


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


How is methoxy benzene prepared from carbolic acid?


Name the reagents used in the following reactions:


The functional group present in triacylglycerol is _______.


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


Substitution of one alkyl group by replacing hydrogen of primary amines


Which of the following substance produced acetaldehyde on dry distillation?


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:


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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