JEE Main 201912 JanuaryMorning Shift
- Exam
- JEE Main
- Year
- 2019
- Date
- 12 January
- Shift
- Morning Shift
- Subject
- Chemistry
- Chapter
- Aldehydes and Ketones
JEE Main 2019 · 12 January · Morning Shift · Chemistry · Aldehydes and Ketones
The major product of the following reaction is:
The major product of the following reaction is:
Options
- A
![Match List I with List II: List I (Complexes) List II (Hybridisation) (A) [Ni ( CO ) _ 4 ] I sp ^ 3 (B) [Cu ( NH _ 3 )](/api/proxy-image?url=https%3A%2F%2Ffirebasestorage.googleapis.com%2Fv0%2Fb%2Fquantrexacademy-app.firebasestorage.app%2Fo%2Fquestions%252Ffigs%252Fpyq%252Fjee_main%252F08e04a90-d516-4659-9a50-e2070164c0c4-image.png%3Falt%3Dmedia&clean=1&v=qxfig138)
- B
![Match List I with List II: List I (Complexes) List II (Hybridisation) (A) [Ni ( CO ) _ 4 ] I sp ^ 3 (B) [Cu ( NH _ 3 )](/api/proxy-image?url=https%3A%2F%2Ffirebasestorage.googleapis.com%2Fv0%2Fb%2Fquantrexacademy-app.firebasestorage.app%2Fo%2Fquestions%252Ffigs%252Fpyq%252Fjee_main%252F11ae65bb-4079-4d99-a03d-f55e87f9da85-image.png%3Falt%3Dmedia&clean=1&v=qxfig138)
- C
![Match List I with List II: List I (Complexes) List II (Hybridisation) (A) [Ni ( CO ) _ 4 ] I sp ^ 3 (B) [Cu ( NH _ 3 )](/api/proxy-image?url=https%3A%2F%2Ffirebasestorage.googleapis.com%2Fv0%2Fb%2Fquantrexacademy-app.firebasestorage.app%2Fo%2Fquestions%252Ffigs%252Fpyq%252Fjee_main%252Fcf6721a2-1e19-4332-abb5-585505f7d61e-image.png%3Falt%3Dmedia&clean=1&v=qxfig138)
- D
![Match List I with List II: List I (Complexes) List II (Hybridisation) (A) [Ni ( CO ) _ 4 ] I sp ^ 3 (B) [Cu ( NH _ 3 )](/api/proxy-image?url=https%3A%2F%2Ffirebasestorage.googleapis.com%2Fv0%2Fb%2Fquantrexacademy-app.firebasestorage.app%2Fo%2Fquestions%252Ffigs%252Fpyq%252Fjee_main%252Fe1d9b207-8dc3-4083-823a-1ec077a205dc-image.png%3Falt%3Dmedia&clean=1&v=qxfig138)
Correct answer
A.
Step-by-step solution
Nitriles are selectively reduced by DIBAL-H to imines followed by hydrolysis to aldehydes. Similarly, esters are also reduced to aldehyde with DlBAL-H