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Chemistry
UTME / JAMB 2022
Organic Chemistry
Solution
A chemical widely used as a fertilizer is?
A
galena
B
bauxite
C
emerald
D
nitrochalk
medium Difficulty
Study Explanation
Chemistry
UTME / JAMB 2022
Organic Chemistry
Solution
An organic functional group which can likely decolorize ammoniacal silver nitrate is?
A
alkene
B
alkane
C
alkyne
D
alkanol
medium Difficulty
Study Explanation
Chemistry
UTME / JAMB 2022
Organic Chemistry
Solution
An organic compound which decolorizes bromine water is likely to be?
A
C\(_3\)H\(_8\)
B
C\(_2\)H\(_6\)
C
C\(_4\)H\(_10\)
D
C\(_2\)H\(_4\)
medium Difficulty
Study Explanation
Chemistry
UTME / JAMB 2021
Organic Chemistry
Solution
Soaps clean surfaces on the principle based on?
A
viscosity
B
floatation
C
elasticity
D
surface tension
medium Difficulty
Study Explanation
Chemistry
UTME / JAMB 2021
Organic Chemistry
Solution
One of the following is not a physical property of monosaccharides?
A
Monosaccharides get charred when heated
B
Monosaccharides are water-soluble, sweet substances
C
They are highly vital to the exploration of metals
D
They can be reduced to sugar alcohols
medium Difficulty
Study Explanation
Chemistry
UTME / JAMB 2010
Organic Chemistry
Solution
Coffee stains can best be removed by?
A
Kerosine
B
turpentine
C
a solution of borax in water
D
ammonia solution
medium Difficulty
Study Explanation
Chemistry
UTME / JAMB 2010
Organic Chemistry
Solution
Benzene reacts with hydrogen in the presence of nickel catalyst at 180ºC to give?
A
xylene
B
toluene
C
cyclopentane
D
cyclohexane
medium Difficulty
Study Explanation
Chemistry
UTME / JAMB 2010
Organic Chemistry
Solution
Which of the following is used to hasten the ripening of fruit?
A
Ethene
B
Ethanol
C
Ethyne
D
Ethane
medium Difficulty
Study Explanation
Chemistry
UTME / JAMB 2010
Organic Chemistry
Solution
The correct order of increasing boiling points of the following compounds C3H7OH, C7H16 and C4H10 is?
A
C3H7OH → C4H10 → C7H10
B
C4H10 → C7H16 → C3H7OH
C
C7H16 → C3H7OH → C4H10
D
C4H10 → C3H7OH → C7H16
medium Difficulty
Study Explanation
Chemistry
UTME / JAMB 2010
Organic Chemistry
Solution
Two hydrocarbons X and Y were treated with bromine water. X decolorised the solution and Y did not not. Which class of compound does Y belong?
A
Benzene
B
Alkynes
C
Alkenes
D
Alkanes
medium Difficulty
Study Explanation
Chemistry
UTME / JAMB 2010
Organic Chemistry
Solution
The compound that is used as an anesthetic is?
A
CCl4
B
CH Cl3
C
CH2Cl2
D
CH3Cl
medium Difficulty
Study Explanation
Chemistry
WAEC / WASSCE 2007
Organic Chemistry
Solution
Consider the reaction below: Vegetable oil \(\frac{H2;NI catalyst}{High temperature}\) product. The reaction is applied in the manufacture of?
A
drugs
B
margarine
C
paraffin wax
D
soapy detergents
medium Difficulty
Study Explanation
Chemistry
UTME / JAMB 2002
Organic Chemistry
Diagram
Solution
The major product of the dehydration of the compound above is?
A
A
B
B
C
C
D
D
medium Difficulty
Study Explanation
Chemistry
UTME / JAMB 1988
Organic Chemistry
Solution
Alkanoates are formed by the reaction of alkanoic acid with?
A
Alkyl halides
B
alkanols
C
ethers
D
sodium
medium Difficulty
Study Explanation
Chemistry
UTME / JAMB 1984
Organic Chemistry
Diagram
Solution
USE THE DIAGRAM ABOVE TO ANSWER THIS QUESTION.
Which of the following represents a carboxylic acid?
A
A
B
B
C
C
D
D
E
E
medium Difficulty
Study Explanation