Question

Match List-I with List-II and select the correct option:

• A. A-I, B-IV, C-III, D-II
• B. A-IV, B-I, C-III, D-II
• C. A-I, B-III, C-IV, D-II
• D. A-III, B-II, C-IV, D-I

Hint:

In organic chemistry, functional group tests like KMnO\(_4\) for unsaturation, FeCl\(_3\) for phenolic groups, and sodium bicarbonate for carboxylic acids are classic methods for identifying functional groups.

Answer 1

The Correct Option is C

Step 1: Match dil KMnO$_4$ \text{with List-II.}
Dilute potassium permanganate (KMnO\(_4\)) is commonly used to test for unsaturation (double bonds) in compounds.
It is a strong oxidizing agent that decolorizes when it reacts with unsaturated compounds.
Thus, A-I is correct (Unsaturation test).
Step 2: Match FeCl$_3$ \text{with List-II.}
Ferric chloride (FeCl\(_3\)) reacts with phenolic compounds to form a colored complex.
This test is used to identify the presence of the phenolic -OH group.
Thus, B-III is correct (Phenolic -OH).
Step 3: Match Liberate CO$_2$ \text{with NaHCO$_3$} \text{with List-II.}
The liberation of CO\(_2\) with NaHCO\(_3\) (sodium bicarbonate) is a characteristic test for carboxylic acids, as carboxylic acids react with bicarbonates to release CO\(_2\).
Thus, C-IV is correct (Carboxylic acid).
Step 4: Match Ceric Ammonium Nitrate Test.
The Ceric Ammonium Nitrate test is used to detect alcohols, specifically alcoholic -OH groups, as it forms a red complex with alcohols.
Thus, D-II is correct (Alcoholic -OH).