1.

Which statement is incorrect .

Answer»

Glucose and Fructose give the same OSAZONE on reactionwith excess of phenyl hydrazine
Hydrolysis of sucrose BRINGS a change in SIGN of rotation towards plane polarised light.
Pentacetate of glucose fromm oxime on treatment with `H_(2)N-OH`
Glucose on reaction with acetic anhydride forms pentacetate under suitable condition.

Solution :Osazone formation involves `C_(1)` and `C_(2)` carbon but doesn't affect the other STEREOCENTER and glucose and fructose have same configuration at `C_(2),C_(4)` and `C_(5)` carbon atom.


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