Alkanes Flashcards
1
Q
As the moleculat weight of a straight alkane chain increases, the melting point ____
A
Increases
2
Q
As the moleculat weight of a straight alkane chain increases, the boiling point ____
A
Increases
3
Q
As the moleculat weight of a straight alkane chain increases, the density _____
A
Increases
4
Q
At room temperature methane through butane exist as ____
A
Gasses
5
Q
At room temperature, pentane through C16 exist as
A
Liquid
6
Q
Do branched or straight chains have a higher boiling and melting points? Why?
A
Straight have higher boiling and melting points because they have larger surface area increasing London dispersion forces, and are packed together tighter in 3D space
