JEE Main 20202 SeptemberEvening Shift
- Exam
- JEE Main
- Year
- 2020
- Date
- 2 September
- Shift
- Evening Shift
- Subject
- Chemistry
- Chapter
- Aldehydes and Ketones
JEE Main 2020 · 2 September · Evening Shift · Chemistry · Aldehydes and Ketones
Two compounds A and B with same molecular formula ( C _ 3 H _ 6 O)...
Two compounds with same molecular formula undergo Grignard reaction with methylmagnesium bromide to give products . Products show following chemical tests.
| Test | C | D |
| Ceric ammonium nitrate Test | Positive | Positive |
| Lucas Test | Turbidity obtained after five minutes | Turbidity obtained Immediately |
| Iodoform Test | Positive | Negative |
respectively are




Options
- A

- B

- C

- D

Correct answer
A. 
Step-by-step solution
B will be ketone as it gives tertiary alcohol after reaction with grignard while A will be aldehyde which produces secondary alcohol after reaction with grignard reagent.