Advertisements
Advertisements
प्रश्न
Account for the following:
Methylamine in water reacts with ferric chloride to precipitate hydrated ferric oxide.
Advertisements
उत्तर
Due to the +I effect of −CH3 group, methylamine is more basic than water. Therefore, in water, methylamine produces OH− ions by accepting H+ ions from water.
\[\ce{CH3-NH2 + H-OH -> H3N+-CH3 + OH-}\]
Ferric chloride (FeCl3) dissociates in water to form Fe3+ and Cl− ions.
Then, OH− ion reacts with Fe3+ ion to form a precipitate of hydrated ferric oxide.
\[\ce{FeCl3 -> Fe^{3+} + 3Cl^-}\]
\[\ce{2Fe^{3+} + 6OH^- -> \underset{(Brown precipitate)}{Fe2O3.3H2O}}\]
संबंधित प्रश्न
Convert 3-Methylaniline into 3-nitrotoluene.
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.
CH3(CH2)2NH2
Write the IUPAC name of the following compound and classify it as primary, secondary and tertiary amine.
(CH3CH2)2NCH3
Give one chemical test to distinguish between the following pair of compounds.
Aniline and N-methylaniline
How will you convert ethanoic acid into propanoic acid?
Accomplish the following conversion:
Aniline to 2, 4, 6-tribromofluorobenzene
Accomplish the following conversion:
Aniline to benzyl alcohol
Complete the following reaction:
\[\ce{C6H5NH2 + H2SO4 (conc.)}\]
Do the following conversions in not more than two steps :
Ethyl benzene to Benzoic acid
What is the action of p-toluenesulphonychloride on ethylamine and diethylamine?
Write the IUPAC name of the given compound :
Give simple chemical tests to distinguish between the following pair of compounds:
Benzaldehyde and Benzoic acid
Identify the incorrect IUPAC name.
Do the following conversions in not more than two steps:
\[\begin{array}{cc}
\ce{CH3CN to CH3 - C - CH3}\\
\phantom{...........}||\\
\phantom{...........}\ce{O}
\end{array}\]
Do the following conversions in not more than two steps:
