JEE Main & Advanced
JEE Main Paper (Held on 10-4-2019 Afternoon)
question_answer
Compound\[A({{C}_{9}}{{H}_{10}}O)\]shows positive iodo form test. Oxidation of A with \[KMn{{O}_{4}}/KOH\]gives acid \[B({{C}_{8}}{{H}_{6}}{{O}_{4}}).\]Anhydride of B is used for the preparation of phenolphthalein. Compound A is :- [JEE Main 10-4-2019 Afternoon]