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

Complete synthesis by giving missing starting material, reagent or product. CH2CH3 ->[KMnO4][KOH, heat] - Chemistry

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प्रश्न

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

रासायनिक समीकरण/संरचनाएँ
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उत्तर

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  क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
अध्याय 8: Aldehydes, Ketones and Carboxylic Acids - Exercises [पृष्ठ २५७]

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एनसीईआरटी Chemistry Part 1 and 2 [English] Class 12
अध्याय 8 Aldehydes, Ketones and Carboxylic Acids
Exercises | Q 8.17 (i) | पृष्ठ २५७

संबंधित प्रश्न

On acid hydrolysis, propane nitrile gives.


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

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

 


Predict the products of 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.

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


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


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


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:


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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