For making distinction between 2-pentanone and 3-pentanone the reagent to be

⇦

⇨

For making distinction between 2-pentanone and 3-pentanone the reagent to be employed is

Options

(a) K₂Cr₂O₇/H₂SO₄
(b) Zn-Hg / HCl
(c) SeO₂
(d) iodine/NaOH

Correct Answer:

iodine/NaOH

Explanation:

Due to the presence of active keto-methyl group, 2-pentanone will respond to iodoform test, but 3-pentanone does not.

Related Questions:

1. The most efficient agent for the absorption of SO₃ is
2. In the electrolysis of aqueous solution of CuSO₄ using copper electrodes, the
3. Which of the following aqueous acid is most acidic
4. The complex [CoF₆]⁴⁻ is
5. Which of the following complex has square planar structure

Topics: Aldehydes Ketones and Carboxylic Acid (89)
Subject: Chemistry (2512)

---

Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score

18000+ students are using NEETLab to improve their score. What about you?

Solve Previous Year MCQs, Mock Tests, Topicwise Practice Tests, Identify Weak Topics, Formula Flash cards and much more is available in NEETLab Android App to improve your NEET score.

---

Share this page with your friends