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Organic chem summary

Total questions: 23

Worksheet time: 32mins

Name
Class
Date
1.
What is the general formula for saturated hydrocarbons?
a)
CnH2n
b)
CnHn+1
c)
CnH2n+1
d)
CnH2n+2
2.
What is the structure of 2-methyl pent-2-ene ?
a)
a
b)
b
c)
c
d)
d
3.

Which is the structures with IUPAC nomenclature


2,2,4-trimethylpentane

a)
b)
c)
d)
4.

How many structural isomers does C5H12 have?

a)

2

b)

3

c)

5

d)

9

5.

Give the IUPAC name for this compound

a)

3-methyl-4-ethylhexane

b)

3-ethyl-4-methylhexane

c)

3-methyl-4-ethylheptane

d)

3-ethyl-4-methylheptane

6.

Give IUPAC nomenclature for this compound

a)

2,7-dimethyl-5-ethyloctane

b)

5-ethyl-2,7-dimethyloctane

c)

2,7-dimethyl-3-ethyloctane

d)

4-ethyl-2,7-dimethyloctane

7.

Name this molecule

a)

2-methyl-but-1-yne-3-ene

b)

1-methyl-but-1-yne-3-ene

c)

2-methyl-but-1-ene-3-yne

d)

1-methyl-but-1-ene-3-yne

8.
Which of the following is not a halide?
a)
Cl
b)
S
c)
Br
d)
I
9.
Name this molecule:
a)
trifluoro-1-methylmethane
b)
1,1,1-trifluoromethane
c)
trifluorethane
d)
1,1,1-trifluoroethane
10.
How many carbons are in the longest chain of the following molecule:
a)
11
b)
10
c)
9
d)
8
11.
Name the compound.
a)
nonene
b)
2,2-dimethyl-3-heptene
c)
1,1,5-trimethyl-2-hexene
d)
2,6-dimethyl-3-heptene
12.

Which reagent is needed to change CH3CH=CH2 to CH3CHClCH3

a)

Cl2 (aq)

b)

SOCl2

c)

PCl3

d)

HCl

13.

Deduce the structure for A

a)
b)
c)
d)
14.
Name this structure.
a)
1,2,4-dimethylcyclopentane
b)
1,2,4-trimethylcyclopentane
c)
1,3,4-trimethylcyclopentane
d)
1,3,4-dimethylcyclopentane
15.
Name this structure.
a)
1,4-diethylcyclohexane
b)
1,3-diethylcyclopentane
c)
1,3-ethylcyclohexane
d)
1,3-diethylcyclohexane
16.
Name this structure.
a)
1,3,4-trimethylcyclohexane
b)
1,2,5-trimethylcyclohexane
c)
1,4,6-trimethylcyclohexane
d)
1,2,4-dimethylcyclohexane
17.
Name this structure.
a)
3-ethyl-1,1,2,2-tetramethylcyclopropane
b)
3-ethyl-1,1,2,2-tetramethylcyclopentane
c)
3-ethyl-1,1,2,2-trimethylcyclopropane
d)
3-diethyl-1,1,2,2-tetramethylcyclopropane
18.

What is the product of this reaction?


C2H2 + Br2

a)

Dibromoethane

b)

Bromoethene

c)

Bromoethane

19.

What is an isomer?

a)

compounds with the same formula and structure

b)

compounds with the same formula but a different structure

c)

hydrocarbons with similar chemical properties

d)

hydrocarbons that are used as fuels

20.
Requirement for geometric isomers are
a)
presence of different atoms
b)
presence of same type of atoms
c)
presence of double bonds
d)
atoms are located at different positions
21.
Which molecule does not shown geometric isomerism?
a)
A
b)
B
c)
C
d)
None of the above
22.

name this compound

a)

o-propylbenzene

b)

1,2-dipropylbenzene

c)

o-dipropylbenzene

d)

1,2-isopropylbenzene

23.

Name the molecule using cis/ trans naming system

a)

cis 1,2-dichloroethene

b)

trans 1,2-dichloroethene

c)

cis 1,2-dichloroethane

d)

trans 1,2-dichloroethane

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