Assertion (A) Glucose on acetylation gives pentaacetate. Reason (R) It contains five OH group.

Acetylation of glucose with acetic anhydride gives glucosepentaacetate which confirms the presence of five OH groups. Since, It exists as a stable compound, five –OH groups should be attached to different carbon atoms. Amino Acids 49. The acid showing salt-like character in aqueous solution is (a) Acetic acid (b) Benzoic acid (c) Formic acid (d) α-Aminoacetic acid Aminoacetic acid Or Glycine 2 2 3 2 H N CH COOH H N CH COO 50. Which of the following α-amino acids does not contain a chiral carbon? (a) Glycine (b) Alanine (c) Phenylalanine (d) Valine All amino acids are optically ac