Which Reagents Could Be Used to Convert Galactose to Galacturonic

question 44

Multiple Choice

Which reagents could be used to convert galactose to galacturonic acid?
I. NaBH₄ / H₂O
II. Tollens' solution (aqueous silver nitrate and ammonia)
III. Benedict's solution (aqueous sodium carbonate, copper(II) sulfate and sodium citrate)
IV. Ni / H₂

• A) I, II
• B) II, III
• C) III, IV
• D) I, IV

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Definitions:

Molecular Reproduction

The process by which molecules create copies of themselves, fundamental to biological replication and cell division.

Electronegativity

A measure of an atom’s attraction for electrons.

Covalent Bonding

A chemical bond that involves the sharing of electron pairs between atoms, stabilizing them and making the atoms bound together in a molecule.

Protobionts

Assemblages of organic polymers that spontaneously form under certain conditions. Protobionts may have been involved in chemical evolution.