1.

Which of the following is a trisaccharide?

Answer»

Stachyose
Sucrose
RAFFINOSE
RIBOSE

Solution :On hydrolysis is stachyrose gives four, sucrose gives two, raffinose gives THREE and ribose gives no MOLECULES, of monosaccharides. Thus, only raffinose is a trisaccharide.
`C_18H_32O_16 + H_2O to 3C_6H_12O_6`


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