Which two monomers may combine to form a polyester?
A. a pair of carboxylic acids
B. a carboxylic acid and an amine
C. a dicarboxylic acid and a dihydroxy alcohol
D. a dicarboxylic acid and an alkene
A carbon compound with a covalently bonded chlorine or bromine is called _____.
W. a halocarbon
X. an aldehyde
Y. an alcohol
Z. an amide
Halocarbons contain carbon, hydrogen, and atoms from which set of elements?
A. nitrogen, oxygen, phosphorus, and sulfur
B. nitrogen, oxygen, and fluorine
C. fluorine, chlorine, bromine, and iodine
D. lithium, sodium, and potassium
When an oxygen atom is attached to a carbon atom, the carbon atom becomes more _____.
W. reduced
X. acidic
Y. basic
Z. oxidized
An alkane reacts with a halogen to form a halocarbon. What is the role of UV light in this reaction?
A. It catalyzes the reaction.
B. It provides energy for the reaction.
C. It is released by the reaction.
Which of the following compounds is the most reduced?
W. ethane
X. ethene
Y carbon dioxide
Z. propanone
This is a acetic acid?
A.True
B. false
3 Answers
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Hi!
The answers are, C, W, C, Z, B, W
Which one is acetic acid?
The formula of acetic acid is CH3COOH
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1. C
2. W
3. C
4. Z
5. A
6. W – ethane (saturated with Hydrogens, no bonds to oxygen)
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When an oxygen atom is attached to a carbon atom, the carbon atom becomes more reduced.
