Question

To differentiate between pentan-2-one and pentan-3-one a test is carried out. Which of the following is the correct answer?

• A. Pentan-2- one will give silver mirror test.
• B. Pentan-2-One will give iodoform test.
• C. Pentan-3-One will give iodoform test.
• D. None of these.

Answer 1

Answer: (B)

Pentan-2-One will give iodoform test.

Answer 2

: Pentan-2-one will give positive iodoform test while pentan-3-one will not give this test.

$\mathrm { CH } _ { 3 } \mathrm { COCH } _ { 2 } \mathrm { CH } _ { 2 } \mathrm { CH } _ { 3 } + \mathrm { I } _ { 2 } + \mathrm { NaOH } \rightarrow$

$\underset { \text { (lodoform) } } { \mathrm { CHI } _ { 3 } } +$ other produces