Elscores: Tuesday, 20 August 2024
Chemistry Cumulative Final Exam
Questions and Correct Answer
What makes carbon such a unique element?
A) Elemental carbon comes in two forms, diamond and graphite.
B) Carbon forms four bonds, although the ground state configuration would predict the
formation of fewer bonds.
C) Carbon forms covalent bonds rather than ionic bonds.
D) To a greater extent than any other element, carbon can bond to itself to form straight
chains, branched chains and rings.
E) Carbon has two stable isotopes, carbon-12 and carbon-13
✓ :-- D) To a greater extent than any other element, carbon can bond to itself to
form straight chains, branched chains and rings.
A molecule with the formula C3H8 is a(n):
A) hexane
B) propane
C) decane
D) butane
E) ethane
✓ :-- B) propane
The general formula for noncyclic alkenes is:
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, Elscores: Tuesday, 20 August 2024
A) CnH2n+2
B) CnH2n
C) CnH2n-2
D) CnHn+2
E) CnHn
✓ :-- B) CnH2n
Which of the following formulas represents an alkene?
A) CH3CH2CH3
B) CH3CH3
C) CH3CH2CHCH2
D) CH3CH2Cl
E) CHCH
✓ :-- C) CH3CH2CHCH2
Which is NOT a physical property of alcohols or phenols?
A) Phenols are generally only slightly soluble in water.
B) The solubilities of normal primary alcohols in water decrease with increasing molecular
weight.
C) The hydroxyl group of an alcohol is nonpolar.
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, Elscores: Tuesday, 20 August 2024
D) Due to hydrogen bonding, boiling points of alcohols are much higher than those of
corresponding alkanes.
E) Boiling points of normal primary alcohols increase with increasing molecular weight.
✓ :-- C) The hydroxyl group of an alcohol is nonpolar.
What is the functional group of this compound: CH3OCH2CH3.
A) Ether
B) Ester
C) Carboxylic acid
D) Amine
E) Ketone
✓ :-- A) Ether
The functional group illustrated by R-O-Rʹ is an
A) ether
B) alcohol
C) alkyl
D) aldehyde
E) ester
✓ :-- A) ether
Which compound is the most soluble in water?
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, Elscores: Tuesday, 20 August 2024
A) CH3CH2CH2CH2OH
B) CH3CH2CH2CH3
C) CH3CH2CH2CH2CH2CH2CH2CH3
D) CH3CH2CH2OH
E) CH3CH2CH3
✓ :-- D) CH3CH2CH2OH
Which compound has the highest boiling point?
A) CH3CH2CH2OH
B) CH3COCH3
C) CH3CHO
D) CH3CH2OH
E) CH3CH2CHO
✓ :-- A) CH3CH2CH2OH
A kitten's normal body temperature is 102 ºF. Express this temperature in ºC
A) 5.7 ºC
B) 38.9 ºC
C) 56.7 ºC
D) 184 ºC
✓ :-- B) 38.9 ºC
DO NOT COPY AND PASTE!!
Chemistry Cumulative Final Exam
Questions and Correct Answer
What makes carbon such a unique element?
A) Elemental carbon comes in two forms, diamond and graphite.
B) Carbon forms four bonds, although the ground state configuration would predict the
formation of fewer bonds.
C) Carbon forms covalent bonds rather than ionic bonds.
D) To a greater extent than any other element, carbon can bond to itself to form straight
chains, branched chains and rings.
E) Carbon has two stable isotopes, carbon-12 and carbon-13
✓ :-- D) To a greater extent than any other element, carbon can bond to itself to
form straight chains, branched chains and rings.
A molecule with the formula C3H8 is a(n):
A) hexane
B) propane
C) decane
D) butane
E) ethane
✓ :-- B) propane
The general formula for noncyclic alkenes is:
DO NOT COPY AND PASTE!!
, Elscores: Tuesday, 20 August 2024
A) CnH2n+2
B) CnH2n
C) CnH2n-2
D) CnHn+2
E) CnHn
✓ :-- B) CnH2n
Which of the following formulas represents an alkene?
A) CH3CH2CH3
B) CH3CH3
C) CH3CH2CHCH2
D) CH3CH2Cl
E) CHCH
✓ :-- C) CH3CH2CHCH2
Which is NOT a physical property of alcohols or phenols?
A) Phenols are generally only slightly soluble in water.
B) The solubilities of normal primary alcohols in water decrease with increasing molecular
weight.
C) The hydroxyl group of an alcohol is nonpolar.
DO NOT COPY AND PASTE!!
, Elscores: Tuesday, 20 August 2024
D) Due to hydrogen bonding, boiling points of alcohols are much higher than those of
corresponding alkanes.
E) Boiling points of normal primary alcohols increase with increasing molecular weight.
✓ :-- C) The hydroxyl group of an alcohol is nonpolar.
What is the functional group of this compound: CH3OCH2CH3.
A) Ether
B) Ester
C) Carboxylic acid
D) Amine
E) Ketone
✓ :-- A) Ether
The functional group illustrated by R-O-Rʹ is an
A) ether
B) alcohol
C) alkyl
D) aldehyde
E) ester
✓ :-- A) ether
Which compound is the most soluble in water?
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, Elscores: Tuesday, 20 August 2024
A) CH3CH2CH2CH2OH
B) CH3CH2CH2CH3
C) CH3CH2CH2CH2CH2CH2CH2CH3
D) CH3CH2CH2OH
E) CH3CH2CH3
✓ :-- D) CH3CH2CH2OH
Which compound has the highest boiling point?
A) CH3CH2CH2OH
B) CH3COCH3
C) CH3CHO
D) CH3CH2OH
E) CH3CH2CHO
✓ :-- A) CH3CH2CH2OH
A kitten's normal body temperature is 102 ºF. Express this temperature in ºC
A) 5.7 ºC
B) 38.9 ºC
C) 56.7 ºC
D) 184 ºC
✓ :-- B) 38.9 ºC
DO NOT COPY AND PASTE!!
