Question

Compound A (C₉H₁₀O) shows positive iodoform test. Oxidation of A with KMnO₄/KOH gives acid B(C₈H₆O₄). Anhydride of B is used for the preparation of phenolphthalein. Compound A is:-

Answer 1

Answer:

Correct Option is :

( 1 ).

Explanation :

Refer the attached picture.

Answer 2

Answer:

3. will be correct answers

Explanation:

Kmno4 oxidize aldehyde and methyl into acid.

and both acidic group by releasing water convert into phthelic anhydride.

which is use in formation of phenephthelin.

Mark the answer brainliests please