Question:

The test to differentiate between pentan - 2 - one and pentan - 3 - one is 

Updated On: Apr 2, 2024
  • Fehling's Test
  • Baeyer's test
  • Iodoform test
  • Benedict's test
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The Correct Option is C

Solution and Explanation

"The iodoform test is used to identify compounds containing a methyl ketone (CH3CO-) group or a methyl carbonyl group. In this test, the compound is treated with iodine (I2) in the presence of a base, typically sodium hydroxide (NaOH) or potassium hydroxide (KOH). If the compound contains a methyl ketone group, such as pentan-3-one, it will react with iodine to produce a yellow precipitate of iodoform (CHI3). On the other hand, if the compound does not contain a methyl ketone group, such as pentan-2-one, no yellow precipitate will form. 
Therefore, the correct answer is (C) Iodoform test."

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