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Chemistry
UTME / JAMB 2011
Metals, Transition Elements & Extraction
Bronze is preferred to copper in the making of medals because it
A
is stronger
B
can withstand low temperature
C
is lighter
D
has low tensile strength
medium Difficulty
Verified Correct Answer: Option A
Chemical Principles & Mechanism
No expanded working has been attached for this question yet. The verified answer is Option A.
Source: Myschool Past Questions Archive (Record #4794)
Chemistry
UTME / JAMB 2011
Stoichiometry, Mole Concept & Volumetric Analysis
The constituents of baking powder that makes the dough to rise is
A
NaHCO3
B
NaOH
C
Na2CO3
D
NaCl
medium Difficulty
Verified Correct Answer: Option A
Chemical Principles & Mechanism
No expanded working has been attached for this question yet. The verified answer is Option A.
Source: Myschool Past Questions Archive (Record #4795)
Chemistry
UTME / JAMB 2011
Stoichiometry, Mole Concept & Volumetric Analysis
The ability of carbon to form long chains is referred to as
A
alkylation
B
acylation
C
catenation
D
carbonation
medium Difficulty
Verified Correct Answer: Option C
Chemical Principles & Mechanism
No expanded working has been attached for this question yet. The verified answer is Option C.
Source: Myschool Past Questions Archive (Record #4796)
Chemistry
UTME / JAMB 2011
Organic Chemistry II: Functional Groups, Polymers & Biomolecules
Which of the following compounds will undergo polymerization reaction?
A
C2H4
B
C2H5COOH
C
C2H6
D
C2H5OH
medium Difficulty
Verified Correct Answer: Option A
Chemical Principles & Mechanism
No expanded working has been attached for this question yet. The verified answer is Option A.
Source: Myschool Past Questions Archive (Record #4797)
Chemistry
UTME / JAMB 2011
Stoichiometry, Mole Concept & Volumetric Analysis
An organic compound has an empirical formula CH2O and vapour density of 45.
What is the molecular formula?
[C = 12, H = 1, O = 16]
A
C3H7OH
B
C2H5OH
C
C3H6O3
D
C2H4O2
medium Difficulty
Verified Correct Answer: Option C
Chemical Principles & Mechanism
No expanded working has been attached for this question yet. The verified answer is Option C.
Source: Myschool Past Questions Archive (Record #4799)
Chemistry
UTME / JAMB 2011
Organic Chemistry II: Functional Groups, Polymers & Biomolecules
At 25o and zymase as catalyst,
C6H126 → 2C2H5OH + 2CO2 + energy
The reaction above represented by the equation above is useful in the production of
A
propanol
B
butanol
C
methanol
D
ethanol
medium Difficulty
Verified Correct Answer: Option D
Chemical Principles & Mechanism
No expanded working has been attached for this question yet. The verified answer is Option D.
Source: Myschool Past Questions Archive (Record #4800)
Chemistry
UTME / JAMB 2011
Organic Chemistry I: Hydrocarbons & Crude Oil
Solution
The number of isomers that can be obtained from C\(_4\)H\(_{10}\) is
A
3
B
4
C
1
D
2
medium Difficulty
Verified Correct Answer: Option D
Chemical Principles & Mechanism
The two structural isomers of C\(_4\)H\(_{10}\) are butane and 2-methylpropane. Butane, also known as n-butane, has a straight-chain structure, while 2-methylpropane, has a branched structure.
Source: Myschool Past Questions Archive (Record #4801)
Chemistry
UTME / JAMB 2011
Organic Chemistry II: Functional Groups, Polymers & Biomolecules
Diagram
The functional groups present in the compound above are
Attached Figure / Diagram
A
alkene and halo-group
B
hydroxyl and chloro-group
C
alkene and chloro-group
D
hydroxyl and halo-group
medium Difficulty
Verified Correct Answer: Option D
Chemical Principles & Mechanism
No expanded working has been attached for this question yet. The verified answer is Option D.
Source: Myschool Past Questions Archive (Record #4802)
Chemistry
UTME / JAMB 2011
Organic Chemistry II: Functional Groups, Polymers & Biomolecules
Two organic compounds K and L were treated with a few drops of Fehling's solutions respectively . K formed a brick-red precipitate while L, remains unaffected. The compound K is an
A
alkanol
B
alkane
C
alkanal
D
alkanone
medium Difficulty
Verified Correct Answer: Option C
Chemical Principles & Mechanism
No expanded working has been attached for this question yet. The verified answer is Option C.
Source: Myschool Past Questions Archive (Record #4803)
Chemistry
UTME / JAMB 2011
Organic Chemistry I: Hydrocarbons & Crude Oil
Which of the following statements is true about 2-methylpropane and butane
A
They are not members of the same homologous series
B
They have the same boiling point
C
They have different number of carbon atoms
D
They have the same chemical properties
medium Difficulty
Verified Correct Answer: Option D
Chemical Principles & Mechanism
No expanded working has been attached for this question yet. The verified answer is Option D.
Source: Myschool Past Questions Archive (Record #4804)
Chemistry
UTME / JAMB 2011
Organic Chemistry II: Functional Groups, Polymers & Biomolecules
with conc H2SO4 as catalyst
CH3COOH + C2H5OH → CH3COOC2H5 + H2O
A
esterification
B
Condensation
C
saponification
D
neutralization
medium Difficulty
Verified Correct Answer: Option A
Chemical Principles & Mechanism
No expanded working has been attached for this question yet. The verified answer is Option A.
Source: Myschool Past Questions Archive (Record #4805)
Chemistry
UTME / JAMB 2011
Nature of Matter & Separation Techniques
The principle of column chromatography is based on the ability of the constituents to
A
move at different speeds in the column
B
dissolve in each other in the column
C
react with the solvent in the column
D
react with each other in the column
medium Difficulty
Verified Correct Answer: Option A
Chemical Principles & Mechanism
No expanded working has been attached for this question yet. The verified answer is Option A.
Source: Official Exam / Past Question Archive
Chemistry
UTME / JAMB 2011
Chemical Energetics & Thermochemistry
Diagram
In the diagram above , X is the ``
Attached Figure / Diagram
A
enthalpy
B
enthalpy change
C
activation energy
D
activated complex
medium Difficulty
Verified Correct Answer: Option B
Chemical Principles & Mechanism
No expanded working has been attached for this question yet. The verified answer is Option B.
Source: Myschool Past Questions Archive (Record #31668)
Chemistry
UTME / JAMB 2011
Organic Chemistry II: Functional Groups, Polymers & Biomolecules
Diagram
choose the correct answer in the option above. Which of the following is a primary amine?
Attached Figure / Diagram
A
A
B
B
C
C
D
D
medium Difficulty
Verified Correct Answer: Option B
Chemical Principles & Mechanism
No expanded working has been attached for this question yet. The verified answer is Option B.
Source: Myschool Past Questions Archive (Record #31674)
Chemistry
UTME / JAMB 2011
Nature of Matter & Separation Techniques
The principle of column chromatography is based on the ability of the constituents to
A
move at different speeds in the column
B
dissolve in each other in the column
C
react with the solvent in the column
D
react with each other in the column
medium Difficulty
Verified Correct Answer: Option A
Chemical Principles & Mechanism
No expanded working has been attached for this question yet. The verified answer is Option A.
Source: Myschool Past Questions Archive (Record #44094)