Sugar ' $X$ ' A. is found in honey. B. is a keto sugar. C. exists in $\alpha$ and $\beta$-anomeric f

Question

Sugar ' $X$ ' A. is found in honey. B. is a keto sugar. C. exists in $\alpha$ and $\beta$-anomeric forms. D. is laevorotatory. ' $X$ ' is

Professor PC Thomas Classes · Answer

(d) : Fructose is found in honey, contains keto group, exists in $\alpha$ - and $\beta$-anomeric forms.
It is a laevorotatory compound hence, sugar ' $X$ ' is $D(-)$ fructose.