What is an invert sugar ?

(a). Name the smallest aldose which forms cyclic hemiacetal and the functional groups are involved in its formation. (b). What is invert sugar ? (c ). Calculate the specific rotation of invert sugar. Given, |alpha|_(D)"of" D-glucose=52.7^(@) |alpha|_(D) "of" D-fructose=-92.4^(@) (d). Give the mechanism of mutarotaion of beta-D- gluoco-pyranose in (i) aq. H^(oplus) and (ii) overset(Θ)(O)H . (e). Why is the mutaraotation faster in the presence of 2- pyridinol?

What is invert sugar?

Invert sugar is:

Which sugar is called invert sugar? Why is it called so?

Which of the following disaccharide in acidic medium is called invert sugar?