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प्रश्न
How will you convert propanoic acid into ethanoic acid?
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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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संबंधित प्रश्न
Which among the following molecular formulae represents urotropine?
(a) C6H12N4
(b) C6H24H4
(c) C6H12N4O2
(d) C6H24N4O2
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(CH3)2CHNH2
Write the IUPAC name of the following compound and classify it as primary, secondary and tertiary amine.
CH3(CH2)2NH2
Write the IUPAC name of the following compound and classify it as primary, secondary and tertiary amine.
(CH3CH2)2NCH3
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.
Ethylamine and aniline
Account for the following:
pKb of aniline is more than that of methylamine.
Account for the following:
Methylamine in water reacts with ferric chloride to precipitate hydrated ferric oxide.
Accomplish the following conversion:
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Accomplish the following conversion:
Chlorobenzene to p-chloroaniline
Complete the following reaction:
\[\ce{C6H5NH2 + (CH3CO)2O ->}\]
Write the structure of 2,4-dinitrochlorobenzene
What is the action of p-toluenesulphonychloride on ethylamine and diethylamine?
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:
\[\begin{array}{cc}
\ce{CH3CN to CH3 - C - CH3}\\
\phantom{...........}||\\
\phantom{...........}\ce{O}
\end{array}\]
Predict the product 'A' in the following reaction.
\[\ce{\underset{(Acetyl chloride)}{CH3COCl}->[H2][Pd-BaSO4]A + HCl}\]
