JEE Main 20238 AprilMorning Shift
- Exam
- JEE Main
- Year
- 2023
- Date
- 8 April
- Shift
- Morning Shift
- Subject
- Chemistry
- Chapter
- Aldehydes and Ketones
JEE Main 2023 · 8 April · Morning Shift · Chemistry · Aldehydes and Ketones
. Match List I with List II : List I (Reagents used) List II...
. Match List I with List II :
| List I (Reagents used) | List II (Compound with Functional group detected) | ||
| A. | Alkaline solution of copper sulphate and sodium citrate | I. | |
| B. | Neutral solution | II. | |
| C. | Alkaline chloroform solution | III. | |
| D. | Potassium iodide and sodium hypochloride | IV | |
Choose the correct answer from the options given below :
Options
- AA-III, B-IV, C-I, D-II
- BA-III, B-IV, C-II, D-I
- CA-IV, B-I, C-II, D-III
- DA-II, B-IV, C-III, D–I
Correct answer
B. A-III, B-IV, C-II, D-I
Step-by-step solution
(A) Aldehydes give red precipitate with Fehling's solution.
(B) Phenols give violet colour with neutral ferric chloride solution
(C) Primary amines give isocyanides with chloroform in the presence of alkali. This reaction known as carbylamine reaction.
(D) 1-phenylethanol give haloform reaction with sodium hypochlorite. The products are benzoate and chloroform.