Which of the following reagent on reaction with conc. NaOh followed by H^(oplus)gives following easter ?

Which of the following reagent on reaction with conc. NaOh followed by

1.	Which of the following reagent on reaction with conc. NaOh followed by H^(oplus)gives following easter ?
Answer» SOLUTION : INTRAMOLECULAR Cannizarro 's REACTION FORMED by CYCLISATION