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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.

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