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WorksheetsQuestionnaire 3 Chem (12th)
Total questions: 18
Worksheet time: 10mins
Which is the correct IUPAC name of the following compound?
2-hydroxybutanoic acid
3-hydroxybutanoic acid
2-hydroxypropanoic acid
Which compound has the highest boiling point?
Propanoic acid
Methanol
Propan-1-ol
What factor can decrease the solubility of carboxylic acid in water?
The increase in length of the hydrocarbon chain.
The decrease in length of the hydrocarbon chain.
The increase in number of carboxyl group.
Which of these molecules are named ethanoic acid
What is the functional group of carboxylic acids?
Carbonyl
Hydroxyl
Carboxyl
What is the suffix for carboxylic acids?
-di oic acid
-oic acid
-oic
HCOOH
methanol
methanoic acid
methyl methanoate
What is the correct IUPAC name for the Carboxylic Acid shown?
4,4-dimethylpentanoic acid
1,1,1-trimethylpentanoic acid
4,4-dimethylbutanoic acid
What is the name of this compound?
5-bromo-2-methylpentanoic acid
1-bromo-4-methylpentanoic acid
2-methyl-5-bromopentanoic acid
Which is the correct order of boiling points of carboxylic acids, from the lowest to the highest?
methanoic acid, ethanoic acid, butanoic acid, propanoic acid
methanoic acid, propanic acid, butanoic acid, ethanoic acid
methanoic acid, ethanoic acid, propanoic acid, butanoic acid
The molecular formula of pentanoic acid is
C5H11O2
C5H9O2
C5H10O2
pH is the measure of the concentration of ______.
Acids
H+ ion
OH- ion
Bases
According to Bronsted-Lowry, what is the definition of an BASE?
a substance that accepts a hydroxide (OH-) ion
a substance that donates a hydroxide (OH-) ion
a substance that accepts a hydrogen (H+) ion
A hydrogen ion, H+, is the same as a:
neutron
electron
proton
According to Bronsted-Lowry, what is the definition of an ACID?
a substance that donates a (OH-) ion
a substance that donates a (H+) ion
a substance that accepts a (H+) ion
Which of the following is the correct definition for a strong acid?
Partially dissociates into ions when dissolved in water and the change is not reversible
Fully dissociates into ions when dissolved in water and the change is not reversible
Fully dissociates into ions when dissolved in water and the change is reversible
Ethanoic acid is a weak acid because it
does not contain any hydrogen ions
is not fully dissociated in water to form many hydrogen ions
has a very low pH
Using the data in the table, which compound is the strongest acid?
HOAc
HNO2
HF
