Guia Final Quimica

1.- Are all the alkanes harmful for living things?

2.- What would it happened if alkanes were not part of our lives?

3.- Give three examples of alkanes?

4.- How many bonds exist between C and C in alkanes? How many between C and C in alkenes and how many between C and C in alkynes?

5.- What is a hydrocarbon?

PRACTICE OF ALKANE NOMENCLATURE.- If you have a question about namingthem; consult your notes or bb

1.- Give name to the next alkanes


CH3
|
CH3—C—CH3 _______________________
|
Br



CH3
|
CH3—CH—CH—CH3 _________________________
|
CH2—CH3


[pic]_________________________


CH3
|
CH3 CH2
| |
CH3—CH—CH—CH2—CH3 _________________________


CH3 CH3
||
CH2 CH2
| |
CH3—CH—CH—CH—CH3 _________________________
|
CH2
|
CH3

Cl Br I
| ||
CH3—CH—CH—CH—CH3 _________________________


[pic] _________________________



2.- Give name to the next alkanes


CH3 Cl
| |
CH3—CH—CH2 ________________________________




CH2—CH3
|
CH3—CH—CH—CH3 ________________________________
|
CH2—CH3

[pic]________________________________

CH3 CH3
| |
CH2 CH2
| |
CH3—CH—CH2—CH—CH3 ________________________________


CH3—CH—CH3
|CH3—C—CH3
|
CH3—CH—CH3 ________________________________


Br Cl I Br
| | | |
CH2—CH2—CH—CH—CH2—CH3 ________________________________


[pic] ________________________________



2.- Alkenes are also referred to as "olefins". The word means fat dissolving since fats are relativelynon-polar as alkenes are.





Name the next alkenes:

1) CH3CH[pic]CHCH2CH3 _________________________


2) CH3CH2CH2CH [pic] CH2 _________________________


Cl CH3
| |
3) CH3CHCH[pic]CHCHCH3 _________________________

CH3
|
4) CH3—C—CH2CH[pic] CH2 _________________________
|CH3


CH2CH3
|
5) CH3CH[pic]C - CH2-CH2CH3 _________________________

CH3
|
6) CH3CH- CH2CH2 - C[pic]CH -CH3 _________________________
|
CH3CH2

7)[pic] _________________________


8)[pic] _________________________

CH3Br
| |
9) CH3CHC[pic]CHCHCH3 _________________________
|
CH2CH3

CH2CH3
|
10) CH3CH[pic]CHCHCH[pic]CHCH3 _________________________


11) CH3CH[pic]CHCH2CH[pic]CHCH2CH3 _________________________


12) CH3 - CH2CH2CH2[pic]CHCH2 _________________________...