JEE Main 202117 MarchEvening Shift
- Exam
- JEE Main
- Year
- 2021
- Date
- 17 March
- Shift
- Evening Shift
- Subject
- Chemistry
- Chapter
- Alcohols Phenols and Ethers
JEE Main 2021 · 17 March · Evening Shift · Chemistry · Alcohols Phenols and Ethers
In the above reaction, the structural formula of (A), "X" and "Y"...
In the above reaction, the structural formula of (A), "X" and "Y" respectively are :
Options
- A
![_ x → (π)/(2) [1 - tan ((x)/(2))][1 - x] [1 + ((x)/(2))] [π - 2x] ^ 3 is equal to](/api/proxy-image?url=https%3A%2F%2Ffirebasestorage.googleapis.com%2Fv0%2Fb%2Fquantrexacademy-app.firebasestorage.app%2Fo%2Fquestions%252Ffigs%252Fpyq%252Fjee_main%252Feae5773c-5626-4501-98a7-795f03c82b66-image.png%3Falt%3Dmedia&clean=1&v=qxfig138)
- B
![_ x → (π)/(2) [1 - tan ((x)/(2))][1 - x] [1 + ((x)/(2))] [π - 2x] ^ 3 is equal to](/api/proxy-image?url=https%3A%2F%2Ffirebasestorage.googleapis.com%2Fv0%2Fb%2Fquantrexacademy-app.firebasestorage.app%2Fo%2Fquestions%252Ffigs%252Fpyq%252Fjee_main%252F7b0d533d-935c-4ea0-ae64-ebf16bc7bd35-image.png%3Falt%3Dmedia&clean=1&v=qxfig138)
- C
![_ x → (π)/(2) [1 - tan ((x)/(2))][1 - x] [1 + ((x)/(2))] [π - 2x] ^ 3 is equal to](/api/proxy-image?url=https%3A%2F%2Ffirebasestorage.googleapis.com%2Fv0%2Fb%2Fquantrexacademy-app.firebasestorage.app%2Fo%2Fquestions%252Ffigs%252Fpyq%252Fjee_main%252F5c5ff326-1782-4711-89ba-5cfc4e5010c0-image.png%3Falt%3Dmedia&clean=1&v=qxfig138)
- D
![_ x → (π)/(2) [1 - tan ((x)/(2))][1 - x] [1 + ((x)/(2))] [π - 2x] ^ 3 is equal to](/api/proxy-image?url=https%3A%2F%2Ffirebasestorage.googleapis.com%2Fv0%2Fb%2Fquantrexacademy-app.firebasestorage.app%2Fo%2Fquestions%252Ffigs%252Fpyq%252Fjee_main%252F18128dff-3c01-4831-bfbc-646f5994f66c-image.png%3Falt%3Dmedia&clean=1&v=qxfig138)
Correct answer
A. ![_ x → (π)/(2) [1 - tan ((x)/(2))][1 - x] [1 + ((x)/(2))] [π - 2x] ^ 3 is equal to](/api/proxy-image?url=https%3A%2F%2Ffirebasestorage.googleapis.com%2Fv0%2Fb%2Fquantrexacademy-app.firebasestorage.app%2Fo%2Fquestions%252Ffigs%252Fpyq%252Fjee_main%252Feae5773c-5626-4501-98a7-795f03c82b66-image.png%3Falt%3Dmedia&clean=1&v=qxfig138)
Step-by-step solution
It is nucleophilic substitution reaction.
Here nucleophile ethyl alcohol behaves as nucleophile and it attacks on electrophilic site to form methoxy benzene, acetaldehyde, hydrochloric acid ans water as shown below: