Teaching BPSC बिहार माध्यमिक TGT (9 to 10) शिक्षक भर्ती 4.0 Mock Test General Science Chemistry Organic Chemistry
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:1
2
3
4
More than one of the above
5
None of the above