Enumerate the reactions of D-glucose which cannot be explained by its open chain structure.

i) It does not react with Schiff’s base.
ii) It does not react with hydroxylamine
iii) It does not form hydrogen sulphite addition product on reaction with NaHSO₃.
iv) It exists in two crystalline forms namely $\mathrm{\alpha }$ -D-glucose and $\mathrm{\beta }$ -D-Glucose.