PAPER 2026 QUESTIONS WITH FULL SOLUTION
◉ What is the alcohol functional group? Answer: CH3-OH
(methanol)
carbon connected to OH group
◉ What is the ester functional group? Answer: H3C-O-CH3
◉ What is the thiol functional group? Answer: CH3-SH
carbon connected to sulfur
◉ Describe how vinegar is an example of functional groups Answer:
Vinegar is a standard organic compound that contains acetic acid
compound which has the functional group of a carboxylic acid
(CH3CHOOH).
The collection of atoms in the COOH gives chemical activity in the
form of acid/base reactions due to the polarity of the oxygen
presence
◉ Describe how acetone is an example of functional groups Answer:
Acetone is another standard organic compound with the functional
group of a ketone (CH3COCH3)
, ◉ What does R refer to in functional groups Answer: *R refers to the
"rest of the molecule" which any carbon-hydrogen (alkyl) group is
attached and is used to communicate general info about a functional
group
◉ What is glucose as a biological molecule? Answer: most common
sugar on Earth with several alcohol groups
◉ what are metabolites Answer:
◉ What is glycine as a biological molecule? Answer: found in
proteins with both amine and carboxylic acid groups
◉ STUDY FUNCTIONAL GROUPS Answer: see picture on notes
◉ What is the definition of biomolecules? Answer: molecules that
are held within a cell or excreted by cells
◉ How are biomolecules constructed? Answer: constructed from
framework of carbon and variety of functional groups
◉ How do the masses of water, hemoglobin, and DNA compare?
Answer: Water: 18 g/mol