# Which one of the following compounds shown the presence of intramolecular hydrogen bond? (1) H2O2                 (2) HCN                   (3) Cellulose                   (4) Concentrated acetic acid

In Cellulose Intramolecular hydrogen bonding is present , this is due to the fact that the Glucose monomers form straight chains and thus its polymeric structure Crowd together showing intramolecular H-Bonding, however H2O2 also show intramolecular hydrogen but its is very weak due to large(O-OH) bond angle which produce repulsions and thus dominant H-bonding is not seen .

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