Covalent, Carbon biochem botany 2020
1. What is the maximum number of covalent bonds than an atom of oxygen can form?
2. Which hydrocarbon below would contain (1) one double bond and still be built correctly?
3. Refer to diagram 2 below. Which of the following molecules ARE built correctly?
a and b
a, b, and d
a, b, and c
all of them
4. Which molecules would be considered isomers, below in figure 3?
A and B
B and C
A and C
They are all isomers
4. Above, in figure 3, what is the correct molecular formula for the molecule in choice B?
5. C4H6 could be the the chemical formula for: check all that apply
9. 9.Use the electron dot diagrams below (diagram 4): If two atoms of X and Z were to covalently bond to each other, what molecule would result?
10. If two atoms of Y could covalently bond together, what type of bond would result? Use diagram 4 above
a triple bond
a quadruple bond
a single bond
a double bond
It is impossible to answer because two atoms of Y will not covalently bond
11. Based on your knowledge of how carbon and hydrogen form covalent bonds, which of the hydrocarbon molecules below are built correctly? see diagram 4 below
none are built correctly
all are built correctly
12. A sample of vinegar has a pH of 5, and a sample of rainwater has a pH of 6. Which of the following statements best describes these two substances?
Both samples are acids, and vinegar is more acidic.
Both samples are acids, and rainwater is more acidic.
Both samples are bases, and rainwater is more basic.
Both samples are bases, and vinegar is more basic.
13. Which of the molecules below would be considered an alcohol?
none of them would be considered alcohols
14. What is the name of the compound with the formula CH3CH2CH3?
15. Alcohols contain what functional group?
an alkyl group
none of the choices
16. Which of the following molecules could be built using ONLY single bonds and triple bonds?
17. Which of the molecules below is (are) considered an Alcohol?
They are all alcohols
none of these molecules are alcohols
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