How many chiral centers are present in the product obtained by reaction of glucose with conc. `HNO_(3)`?

Answer

4

Explanation

Glucose `overset("Conc" HNO_(3))rarr underset(underset(underset(underset(underset(underset(COOH)(|))(H- C^(**) - OH))(|))(H- C^(**)- OH))(|))overset(overset(overset(overset(COOH)(|))(H-C^(**)- OH))(|))(OH- C^(**)- OH)`