JEE Advanced 2008Paper 1
- Exam
- JEE Advanced
- Year
- 2008
- Paper
- Paper 1
- Subject
- Chemistry
- Chapter
- Aldehydes and Ketones
JEE Advanced 2008 · Paper 1 · Chemistry · Aldehydes and Ketones
Paragraph: In the following reaction sequence, product I . J and L...
Paragraph:
In the following reaction sequence, product and are formed. K represent a reagent
Question: L

Question: L
Options
- A

- B

- C

- D

Correct answer
B. 
Step-by-step solution
, quinoline is well known reagent.
Rosenmund's reaction (conversion of acyl halide to aldehyde) is known as Lindlar's reagent and reduces triple bond to double bond (syn addition) giving cis product. Reagent has simultaneous action because usually reaction is not selective-follows radical mechanism.