Arellano University
First Semester, SY 2022- 2023
Introduction to Organic Chemistry
Connecting Carbons
Name: Sarah Ann Curata
Date: September 10, 2022
Score
/16
A. Write the molecular formula for each of the following:
1. CH3 – CH2 - CH2 - CH2 - CH2 – Cl = C5H11Cl
2. CH3 – (CH2)5 – OH = C6H14O
3. CH3 – CH2 - CH2 – S – CH3 = C4H10S
4. CH3 – CH – CH – CH3 = C6H14
CH3 CH3
B.
1.
Write the condensed structural formula and skeletal formula for each of the following:
H H H H H
H – C – C – C – C – C – H = CH3CH2CH2CH2CH3
H H Br H
H H H
H
Br
H
2. H – C – C – C – C – N - H = CH3CH2CH2CH2NH2
NH2
H H H H H
H H H
SH
3. H – C – C – C – S - H = CH3CH2CH2SH
H H H
H
CH3
4.
H H-C-H
H–C
H
C
H
H
H
C
C
C-H
H
H
H H-C-H
H
= CH3CHCH3CHCH3CH2CH3
CH3
1. Which of the following pairs of structure of isomers? the same compounds?
(2 pts each)
a. CH3 – CH(Br) – CH3
and
CH3 – CH2 – CH2 – Br
= Isomers
b. CH3 – CH – C – OH
and
CH3 – CH – C = O
= Same compounds
NH2 O
c. CH3 – C ≡ C – CH2 – CH3
NH2 OH
and
d. CH3 – CH2 – CH2 – CH2 – CH3
and
CH3 – CH = CH – CH = CH2
= Isomers
CH3 – CH – CH3
= Isomers
CH2 – CH3