JEE Main 20249 AprilEvening Shift
- Exam
- JEE Main
- Year
- 2024
- Date
- 9 April
- Shift
- Evening Shift
- Subject
- Chemistry
- Chapter
- Aldehydes and Ketones
JEE Main 2024 · 9 April · Evening Shift · Chemistry · Aldehydes and Ketones
Match List I with List II ( List - I (Test) List - II (Observation)...
Match List I with List II
(
)
Choose the correct answer from the options given below:
| List - I (Test) | List - II (Observation) | ||
| A. | Br_2 water test | I. | Yellow orange or orange red precipitate formed |
| B. | Ceric ammonium nitrate test | II. | Reddish orange colour disappears |
| C. | Ferric chloride test | III. | Red colour appears |
| D. | 2,4 - DNP test | IV. | Blue, Green, Violet or Red colour appear |
Options
- AA-III, B-IV, C-I, D-II
- BA-I, B-II, C-III, D-IV
- CA-IV, B-I, C-II, D-III
- DA-II, B-III, C-IV, D-I
Correct answer
D. A-II, B-III, C-IV, D-I
Step-by-step solution
(A) water test is test of unsaturation in which reddish orange colour of bromine water disappears.
(B) Alcohols given Red colour with ceric ammonium nitrate.
(C) Phenol gives Violet colour with natural ferric chloride.
(D) Aldehyde & Ketone give Yellow/Orange/Red Colour compounds with 2, 4-DNP i.e., 2, 4-Dinitrophenyl hydrazine.