Q.1- a) Explain by equations the synthesis of the following compounds from glucose:

Gluconic acid    –   Sorbitol    –    Fructose    –    Saccharic acid    –    Arabinose

b) Explain the following: (by equations and examples if possible)

Invert sugar    –    Anomers    –    Epimerization

Q.2-a) Give the evidences which led to the cyclic structure of glucose and discuss one method for determination of its ring size.