QJEEAdv20Ch0235: JEE Advanced 2020 Chemistry - Class 12 JEEAdv20Ch0235 Solution: In the reaction scheme shown below Q, R and S are the major…
In the reaction scheme shown below Q, R and S are the major products.
The correct structure of
Multiple Choice Options
AS is
BR is
CS is
DQ is
Step-by-Step Verified Solution
Compound (P) undergoes Friedel-Craft acylation reaction in presence of succinic anhydride and AlCl3 to gives an acid (Q).
Compound (Q) on treatment with Zn-Hg/HCl undergoes Clemmensen reduction, where ketone group change into alkane and on further reaction with dehydrating agent H3PO4 gives compound (R).
Compound (R) on reaction with Grignard reagent and heated in presence of acid gives dehydrating product (S).
