Asked by Cassie

1.
Which of the following compounds is an unsaturated hydrocarbon?

methane
*propyne
nonane
methyl







2.
The general name for hydrocarbons with at least one triple covalent bond is ____.

alkenes
alkyls
alkanes
*alkynes







3.
What is the name of the smallest alkyne?

butyne
*ethyne
methyne
propyne







4.
Which of the following is true about structural isomers?

Structural isomers have the same molecular formula.

Structural isomers have different physical and chemical properties.

Structural isomers have the same elemental composition.

*all of the above







5.
Alkanes do not have geometric isomers because the carbon atoms in their carbon-carbon bonds are ____.

double bonds
*quite polar
free to rotate
asymmetric

Thank you.
Answered by DrBob222
See your other post above.
Answered by mouna
The prefixes cis- and trans- are used to identify _____ isomers.

Answered by Emmanuel
Name the 4 isomers of the compound with molecular formular c4h10o
Answered by G-Eazy
#1-#4 are correct...#5 is actually FREE TO ROTATE. I just took the test.
Answered by Rach
1. Propyne
2. Alkynes
3. Ethyne
4. All of the above
5. free to rotate
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