Question:
Write the chemical equations when:
Pentan-3-one is treated with H$_2$N–NH$_2$ followed by heating with KOH in high boiling solvent such as ethylene glycol.
Write the chemical equations when:
Pentan-3-one is treated with H$_2$N–NH$_2$ followed by heating with KOH in high boiling solvent such as ethylene glycol.
Show Hint
The Wolff-Kishner reduction is used to convert ketones and aldehydes into alkanes by completely removing the oxygen atom.
Updated On: Jan 13, 2026
Hide Solution
Verified By Collegedunia
Solution and Explanation
When Pentan-3-one reacts with hydrazine (H$_2$N-NH$_2$), it forms a hydrazone derivative. Upon further heating with KOH in ethylene glycol, it undergoes the Wolff-Kishner reduction, leading to the complete removal of the carbonyl oxygen and yielding n-pentane. 
Was this answer helpful?
0
0
Top Questions on Aldehydes, Ketones and Carboxylic Acids
- Iodoform test can differentiate :
- JEE Main - 2026
- Chemistry
- Aldehydes, Ketones and Carboxylic Acids
Convert Ethanal to But-2-enal
- CBSE CLASS XII - 2025
- Chemistry
- Aldehydes, Ketones and Carboxylic Acids
- Write the reaction involved in the following :
Clemmensen reduction- CBSE CLASS XII - 2025
- Chemistry
- Aldehydes, Ketones and Carboxylic Acids
- An organic compound (X) having molecular formula C$_5$H$_{10$O can show various properties depending on its structures. Draw each of the structures if it :
shows Cannizzaro reaction.- CBSE CLASS XII - 2025
- Chemistry
- Aldehydes, Ketones and Carboxylic Acids
Write structure of the products of the following reactions:
- CBSE CLASS XII - 2025
- Chemistry
- Aldehydes, Ketones and Carboxylic Acids
View More Questions
Questions Asked in CBSE CLASS XII exam
If vector \( \mathbf{a} = 3 \hat{i} + 2 \hat{j} - \hat{k} \) \text{ and } \( \mathbf{b} = \hat{i} - \hat{j} + \hat{k} \), then which of the following is correct?
- Find the value of $x$, if \[ \begin{bmatrix} 1 & 3 & 2 \\ 2 & 5 & 1 \\ 15 & 3 & 2 \end{bmatrix} \begin{bmatrix} 1 \\ x \\ 2 \end{bmatrix} = \begin{bmatrix} 0 \\ 0 \\ 0 \end{bmatrix} \]
- Two point charges of \( -5\,\mu C \) and \( 2\,\mu C \) are located in free space at \( (-4\,\text{cm}, 0) \) and \( (6\,\text{cm}, 0) \) respectively.
(a) Calculate the amount of work done to separate the two charges at infinite distance.
(b) If this system of charges was initially kept in an electric field \[ \vec{E} = \frac{A}{r^2}, \text{ where } A = 8 \times 10^4\, \text{N}\,\text{C}^{-1}\,\text{m}^2, \] calculate the electrostatic potential energy of the system.- CBSE CLASS XII - 2025
- Electrostatics
- 4,000 shares of ₹ 10 each were forfeited for non-payment of second and final call money of ₹ 2 per share. The minimum amount that the company must collect at the time of reissue of these shares will be :
- CBSE CLASS XII - 2025
- Accounting for Share Capital
- If $y = a \cos(\log x) + b \sin(\log x)$, then $x^2y'' + xy'1$ is:
- CBSE CLASS XII - 2025
- Continuity and differentiability
View More Questions