Compound (A), `C_(10)H_(12)O` gives off hydrogen on treatment with sodium metal and decolourises `Br_(2)` in `C Cl_(4)` to give (B), `C_(10)H_(12)OBr`. (A) on treatment with `I_(2)` in `NaOH` gives iodoform and an acid (C) after acidification. Give the structure of (A) to (C) and also of all geometrical and optical isomers of (A).
Answer the following based on the above.
Which of the following statements regarding A are incorrect ?
A. In the presence of acidic medium Aforms a 5 membred ring.
B. A has 2 geometrical isomers.
C. A has 4 pairs of diasteereomers
D. A has 2 chiral centres
