1
JEE Main 2026 (Online) 2nd April Morning Shift
MCQ (Single Correct Answer)
+4
-1
Match List - I with List - II.
| List - I Mixture of Compounds |
List - II Reagent used to distinguish |
||
|---|---|---|---|
| A | Diethyl amine + Ethyl amine | I | Bromine water |
| B | Acetaldehyde + Acetone | II | CHCl₃ + KOH, Δ |
| C | Ethanol + Phenol | III | Neutral FeCl₃ |
| D | Benzoic acid + Cinnamic acid | IV | Ammoniacal silver nitrate |
Choose the correct answer from the options given below :
2
JEE Main 2026 (Online) 28th January Evening Shift
MCQ (Single Correct Answer)
+4
-1
A student has been given 0.314 g of an organic compound and asked to estimate Sulphur. During the experiment, the student has obtained 0.4813 g of barium sulphate. The percentage of sulphur present in the compound is _________. (Given Molar mass in g mol−1 S: 32, BaSO4: 233)
3
JEE Main 2026 (Online) 28th January Morning Shift
MCQ (Single Correct Answer)
+4
-1
Method used for separation of mixture of products ( B and C ) obtained in the following reaction is
4
JEE Main 2026 (Online) 23rd January Evening Shift
MCQ (Single Correct Answer)
+4
-1
In Carius method 0.2425 g of an organic compound gave 0.5253 g silver chloride. The percentage of chlorine in the organic compound is
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