Question:
How will you obtain the following from aniline? Give chemical equations only.
(a)Sulphanilic acid
(b) Phenylisocyanide
(c) Acetanilide
How will you obtain the following from aniline? Give chemical equations only.
(a)Sulphanilic acid
(b) Phenylisocyanide
(c) Acetanilide
(a)Sulphanilic acid
(b) Phenylisocyanide
(c) Acetanilide
Show Hint
For reactions involving aniline, it's important to consider the nucleophilicity of the amine group, which can participate in various electrophilic substitution or condensation reactions.
Updated On: Jun 25, 2025
Hide Solution
Verified By Collegedunia
Solution and Explanation
(a) To obtain sulphanilic acid from aniline:
Aniline reacts with fuming sulphuric acid to form sulphanilic acid. \[ \text{C}_6\text{H}_5\text{NH}_2 + \text{H}_2\text{SO}_4 \xrightarrow{\text{fuming}} \text{C}_6\text{H}_4\text{SO}_3\text{NH}_2 \] (b) To obtain phenylisocyanide from aniline:
Aniline reacts with chloroform and potassium hydroxide to form phenylisocyanide (also known as isonitrile). \[ \text{C}_6\text{H}_5\text{NH}_2 + \text{CHCl}_3 + \text{KOH} \xrightarrow{\text{heat}} \text{C}_6\text{H}_5\text{NC} \] (c) To obtain acetanilide from aniline:
Aniline reacts with acetic anhydride to form acetanilide. \[ \text{C}_6\text{H}_5\text{NH}_2 + (\text{CH}_3\text{CO})_2\text{O} \longrightarrow \text{C}_6\text{H}_5\text{NHCOCH}_3 \]
Aniline reacts with fuming sulphuric acid to form sulphanilic acid. \[ \text{C}_6\text{H}_5\text{NH}_2 + \text{H}_2\text{SO}_4 \xrightarrow{\text{fuming}} \text{C}_6\text{H}_4\text{SO}_3\text{NH}_2 \] (b) To obtain phenylisocyanide from aniline:
Aniline reacts with chloroform and potassium hydroxide to form phenylisocyanide (also known as isonitrile). \[ \text{C}_6\text{H}_5\text{NH}_2 + \text{CHCl}_3 + \text{KOH} \xrightarrow{\text{heat}} \text{C}_6\text{H}_5\text{NC} \] (c) To obtain acetanilide from aniline:
Aniline reacts with acetic anhydride to form acetanilide. \[ \text{C}_6\text{H}_5\text{NH}_2 + (\text{CH}_3\text{CO})_2\text{O} \longrightarrow \text{C}_6\text{H}_5\text{NHCOCH}_3 \]
Was this answer helpful?
0
0
Top Questions on Organic Chemistry
- An alkene A with molecular formula C\(_6\)H\(_{10}\) on ozonolysis gives a mixture of two compounds B and C. Compound B gives positive Fehling test and also reacts with iodine and NaOH solution. Compound C does not give Fehling solution test but forms iodoform. Identify the compounds A, B, and C.
- CBSE CLASS XII - 2025
- Chemistry
- Organic Chemistry
Match the Compounds (List - I) with the appropriate Catalyst/Reagents (List - II) for their reduction into corresponding amines.
- JEE Main - 2025
- Chemistry
- Organic Chemistry
- In Dumas' method 292 mg of an organic compound released 50 mL of nitrogen gas ($ N_2 $) at 300 K temperature and 715 mm Hg pressure. The percentage composition of 'N' in the organic compound is _____ % (Nearest integer) (Aqueous tension at 300 K = 15 mm Hg)
- JEE Main - 2025
- Chemistry
- Organic Chemistry
Consider the following amino acid:
Which of the following options contain the correct structure of (A) and (B)?
- JEE Main - 2025
- Chemistry
- Organic Chemistry
- Isomeric hydrocarbons \( \rightarrow \) negative Baeyer's test (Molecular formula \( \text{C}_9\text{H}_{12} \)). The total number of isomers from above with four different non-aliphatic substitution sites is -
- JEE Main - 2025
- Chemistry
- Organic Chemistry
View More Questions
Questions Asked in CBSE CLASS XII exam
- Give reasons:
(a) Cooking is faster in a pressure cooker than in an open pan.
(b) On mixing liquid X and liquid Y, volume of the resulting solution decreases. What type of deviation from Raoult's law is shown by the resulting solution? What change in temperature would you observe after mixing liquids X and Y?- CBSE CLASS XII - 2025
- Solutions
- The electric field at a point in a region is given by \( \vec{E} = \alpha \frac{\hat{r}}{r^3} \), where \( \alpha \) is a constant and \( r \) is the distance of the point from the origin. The magnitude of potential of the point is:
- CBSE CLASS XII - 2025
- Electrostatics
- If \( \int \frac{1}{2x^2} \, dx = k \cdot 2x + C \), then \( k \) is equal to:
- CBSE CLASS XII - 2025
- Integration
- If \( \overrightarrow{a} + \overrightarrow{b} + \overrightarrow{c} = 0 \), \( |\overrightarrow{a}| = \sqrt{37} \), \( |\overrightarrow{b}| = 3 \), and \( |\overrightarrow{c}| = 4 \), then the angle between \( \overrightarrow{b} \) and \( \overrightarrow{c} \) is:
- Altima Ltd. invited applications for 2,00,000 equity shares of ₹ 10 at a premium of ₹ 4 per share. Amount payable:
On application and allotment – ₹ 7 (incl. ₹ 1 premium)
On first and final call – Balance.
Applications received for 2,40,000 shares. 30,000 rejected. Manvi allotted 4,000 shares failed to pay first and final call. Her shares were forfeited. These were reissued at ₹ 4 per share fully paid-up.
Pass journal entries in the books of Altima Ltd.- CBSE CLASS XII - 2025
- Accounting for Share Capital
View More Questions