1.

Which of the following on hydrolysis will give a product with specifice rotation of +52.7^(@) ?

Answer»

maltose
cellobiose
SUCROSE
cellulose

Solution :On hydrolysis (a), (b) and (d) all give equilibrium mixture of `alpha`-D-glucose,`BETA`-D-glucose and open chain D-glucose with sp.ROTATION `+52.7^(@)` whereas sucrose give equimolar mixture of D-glucose and D-fructose with sp. Rotation `-20^(@)`.


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