Question

Identify the $\alpha -D-(-)-$ fructofuranose and $\beta -D-(-)-$ fructofuranose from the following structure.

Choose the correct option.

• A. $\alpha -D-(-)$-fructofuranose - I and II ,$\beta -D-(-)$-fructofuranose - III and IV
• B. $\alpha -D-(-)$-fructofuranose -I and III ,$\beta -D-(-)$-fructofuranose -II and IV
• C. $\alpha -D-(-)$-fructofuranose -II and III ,$\beta -D-(-)$-fructofuranose - I and IV
• D. $\alpha -D-(-)$-fructofuranose - II and IV ,$\beta -D-(-)$-fructofuranose - I and III

Answer 1

Answer: (B)

I, III $\to \alpha -D-(-)-$ fructofuranose
II, IV $\to \beta -D-(-)-$ fructofuranose