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

How will you convert ethanoic acid into propanoic acid?

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प्रश्न

How will you convert ethanoic acid into propanoic acid?

रासायनिक समीकरण/संरचनाएँ
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उत्तर

\[\ce{\underset{Ethanoic acid}{CH3COOH} ->[LiAlH4][Reduction] \underset{Ethanol}{CH3CH2OH} ->[P/I2] \underset{Ethyl iodide}{CH3CH2I} ->[KCN][-KI] \underset{Ethyl cyanide}{CH3CH2CN} ->[H2O/H+] \underset{Propanoic acid}{CH3CH2COOH}}\]

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अध्याय 9: Amines - Exercises [पृष्ठ २७९]

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एनसीईआरटी Chemistry Part 1 and 2 [English] Class 12
अध्याय 9 Amines
Exercises | Q 9.5 (v) | पृष्ठ २७९

संबंधित प्रश्न

Which among the following molecular formulae represents urotropine?

(a) C6H12N4

(b) C6H24H4                    

(c) C6H12N4O2

(d) C6H24N4O2


Convert aniline into 1, 3, 5-tribromobenzene.


Write the IUPAC name of the following compound and classify it as primary, secondary and tertiary amine.

CH3NHCH(CH3)2


Give one chemical test to distinguish between the following pair of compounds.

Methylamine and dimethylamine


Give one chemical test to distinguish between the following pair of compounds.

Secondary and tertiary amines


Give one chemical test to distinguish between the following pair of compounds.

Aniline and N-methylaniline


Account for the following:

pKb of aniline is more than that of methylamine.


How will you convert nitromethane into dimethylamine?


Accomplish the following conversion:

Benzoic acid to aniline


An aromatic compound ‘A’ on treatment with aqueous ammonia and heating forms compound ‘B’ which on heating with Br2 and KOH forms a compound ‘C’ of molecular formula C6H7N. Write the structures and IUPAC names of compounds A, B and C.


Complete the following reaction:

\[\ce{C6H5N2Cl + C2H5OH ->}\]


Complete the following reaction:

\[\ce{C6H5NH2 + Br2 (aq) ->}\]


Give reasons  Although –NH2 is o/p directing group, yet aniline on nitration gives a significant amount of m-nitroaniline


What is the action of p-toluenesulphonychloride on ethylamine and diethylamine?


How are ethylamine and ethyl methyl amine distinguished by using nitrous acid?


Give simple chemical tests to distinguish between the following pair of compounds:

Benzaldehyde and Benzoic acid


An organic compound (A) with molecular formula C3H7NO on heating with Br2 and KOH forms a compound (B). Compound (B) on heating with CHCl3 and alcoholic KOH produces a foul-smelling compound (C) and on reacting with C6H5SO2Cl forms a compound (D) which is soluble in alkali. Write the structure of (A), (B), (C) and (D).


Do the following conversions in not more than two steps:


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