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

How will you convert propanoic acid into ethanoic acid?

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प्रश्न

How will you convert propanoic acid into ethanoic acid?

रासायनिक समीकरण/संरचनाएँ
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उत्तर

\[\ce{\underset{Propanoic acid}{CH3CH2COOH} ->[NH3] CH3CH2COONH4 ->[\Delta][-H2O] CH3CH2CONH2 ->[Br2/KOH] CH3CH2NH2 ->[dil. HCl + NaNO2] CH3CH2OH ->[K2Cr2O7][H2SO4] \underset{Ethanoic acid}{CH3COOH}}\]

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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 (viii) | 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.

(CH3)2CHNH2


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

m−BrC6H4NH2


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:

Ethylamine is soluble in water, whereas aniline is not.


How will you convert ethanoic acid into methanamine?


How will you convert methanol to ethanoic acid?


Accomplish the following conversion:

Aniline to benzyl alcohol


Complete the following reaction:

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


Complete the following reaction:

\[\ce{C6H5NH2 + (CH3CO)2O ->}\]


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


Do the following conversions in not more than two steps :

Ethyl benzene to Benzoic acid


Write the structure of 2,4-dinitrochlorobenzene


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


The following amine is called as:


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).


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