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Which of the following is D-galactose?

Which of the following polymers would be best prepared using cationic polymerization?

The structure of D-arabinose is shown below. Which of the following correctly describes the configurations of the asymmetric carbons in D-arabinose?

Which of the following polysaccharides has all β-(1→ 4) glycosidic linkages?

The structure of D-arabinose is shown below. Which of the following correctly describes the configurations of the asymmetric carbons in D-arabinose?

How many possible stereoisomers are there of the following heptose?

Which of the following elements is used during vulcanization of rubber?

Which of the following compounds would produce an optically active aldaric acid?

Bonus question An optically active D-aldohexose was treated with NaBH4 / H2O and produced an optically inactive alditol. When the same D-aldohexose was subjected to Wohl degradation followed by HNO3, it produced an optically inactive aldaric acid. Provide the name of this D-aldohexose.

Bonus question An optically active D-aldohexose was treated with NaBH4 / H2O and produced an optically inactive alditol. When the same D-aldohexose was subjected to Wohl degradation followed by HNO3, it produced an optically inactive aldaric acid. Provide the name of this D-aldohexose.