CHEM 1205 FINAL EXAM 2026/2027 || GENERAL
CHEMISTRY REVIEW || VERIFIED QUESTIONS & ANSWERS
|| HIGH-YIELD STUDY GUIDE || COMPLETE TEST BANK ||
GRADED A+
Monosaccharides generally have how many carbons in a chain? - CORRECT
ANSWER -3 to 6
What is the general formula for a monosaccharide? - CORRECT ANSWER
-Cn H2n On
Aldoses are monosaccharides containing a(an) _____________ group. -
CORRECT ANSWER -Aldehyde
Ketoses are monosaccharides containing a(an) _________________ group. -
CORRECT ANSWER -Ketone
Are monosaccharides polar or non polar? - CORRECT ANSWER -Polar
Do monosaccharides have a low or high melting point? - CORRECT
ANSWER -High
The presence of so many polar functional groups, makes monosaccharides
________________. - CORRECT ANSWER -very water-soluble
How many hydrogen atoms would be in an 8-carbon sugar molecule? -
CORRECT ANSWER -16
Is galactose considered to be an aldose or a ketose? - CORRECT ANSWER
-Aldose
How is a monosaccharide characterized? - CORRECT ANSWER -By the
number of carbon atoms in its chain
Example:
,- Triose
- Pentose
- Ketopentose
Most carbohydrates have _____ or more chirality centers. - CORRECT
ANSWER -One
When is D- used in carbohydrates? - CORRECT ANSWER -When the -OH
group is drawn on the right side of the carbon chain.
When is L- used in carbohydrates? - CORRECT ANSWER -When the -OH
group is on the left side of the carbon chain.
How many stereocenters are in ribulose? - CORRECT ANSWER -2
Is this D- or L- Ribulose? - CORRECT ANSWER -D
Are all naturally occurring sugars D- or L-? - CORRECT ANSWER -D-
isomers
What is normal range for blood glucose? - CORRECT ANSWER -70-110
mg/dL
What monosaccharides make up lactose? - CORRECT ANSWER -glucose
and galactose
, When doing cyclization of a monosaccharide what side ends up on the top? -
CORRECT ANSWER -Left
a-anomers have the OH on ________________. - CORRECT ANSWER -
Bottom
B-anomers have the OH on ___________________. - CORRECT
ANSWER -Top
What are monosaccharides in rings called? - CORRECT ANSWER -
Haworth Projection
What happens when an aldose is reacted with H2 and Pd? - CORRECT
ANSWER -The carbonyl group is reduced to a primary alcohol (CHO to
CH2OH)
What happens when an aldose is oxidized using benedicts reagent? -
CORRECT ANSWER -The aldehyde group (CHO) becomes a carboxylic
acid (COOH)
When in the presence of an aldose sugar what color does benedicts reagent turn
to? - CORRECT ANSWER -Blue to red
How does a disaccharide form? - CORRECT ANSWER -A hydroxyl group
of one monosaccharide reacts with a hydroxyl group of a second
monosaccharide.
What is the bond called between two monosaccharides? - CORRECT
ANSWER -Glycosidic linkage
CHEMISTRY REVIEW || VERIFIED QUESTIONS & ANSWERS
|| HIGH-YIELD STUDY GUIDE || COMPLETE TEST BANK ||
GRADED A+
Monosaccharides generally have how many carbons in a chain? - CORRECT
ANSWER -3 to 6
What is the general formula for a monosaccharide? - CORRECT ANSWER
-Cn H2n On
Aldoses are monosaccharides containing a(an) _____________ group. -
CORRECT ANSWER -Aldehyde
Ketoses are monosaccharides containing a(an) _________________ group. -
CORRECT ANSWER -Ketone
Are monosaccharides polar or non polar? - CORRECT ANSWER -Polar
Do monosaccharides have a low or high melting point? - CORRECT
ANSWER -High
The presence of so many polar functional groups, makes monosaccharides
________________. - CORRECT ANSWER -very water-soluble
How many hydrogen atoms would be in an 8-carbon sugar molecule? -
CORRECT ANSWER -16
Is galactose considered to be an aldose or a ketose? - CORRECT ANSWER
-Aldose
How is a monosaccharide characterized? - CORRECT ANSWER -By the
number of carbon atoms in its chain
Example:
,- Triose
- Pentose
- Ketopentose
Most carbohydrates have _____ or more chirality centers. - CORRECT
ANSWER -One
When is D- used in carbohydrates? - CORRECT ANSWER -When the -OH
group is drawn on the right side of the carbon chain.
When is L- used in carbohydrates? - CORRECT ANSWER -When the -OH
group is on the left side of the carbon chain.
How many stereocenters are in ribulose? - CORRECT ANSWER -2
Is this D- or L- Ribulose? - CORRECT ANSWER -D
Are all naturally occurring sugars D- or L-? - CORRECT ANSWER -D-
isomers
What is normal range for blood glucose? - CORRECT ANSWER -70-110
mg/dL
What monosaccharides make up lactose? - CORRECT ANSWER -glucose
and galactose
, When doing cyclization of a monosaccharide what side ends up on the top? -
CORRECT ANSWER -Left
a-anomers have the OH on ________________. - CORRECT ANSWER -
Bottom
B-anomers have the OH on ___________________. - CORRECT
ANSWER -Top
What are monosaccharides in rings called? - CORRECT ANSWER -
Haworth Projection
What happens when an aldose is reacted with H2 and Pd? - CORRECT
ANSWER -The carbonyl group is reduced to a primary alcohol (CHO to
CH2OH)
What happens when an aldose is oxidized using benedicts reagent? -
CORRECT ANSWER -The aldehyde group (CHO) becomes a carboxylic
acid (COOH)
When in the presence of an aldose sugar what color does benedicts reagent turn
to? - CORRECT ANSWER -Blue to red
How does a disaccharide form? - CORRECT ANSWER -A hydroxyl group
of one monosaccharide reacts with a hydroxyl group of a second
monosaccharide.
What is the bond called between two monosaccharides? - CORRECT
ANSWER -Glycosidic linkage
