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Ainsley - Orgchem lec (AAA Finals2)

Total questions: 21

Worksheet time: 11mins

Name
Class
Date
1.

What are the compositions of saturated hydrocarbons?

a)

Carbon

b)

Nitrogen

c)

Calcium

d)

Hydrogen

2.

Type in the general formula for Alkanes. (no spaces, all caps)

(a)  

3.

I. Straight-chain alkanes are connected in a row.

II. Branched-chain alkanes are compounds with branched carbon chains.

a)

Only I is correct

b)

Only II is correct

c)

Both are correct

d)

Both are incorrect

4.

Alkyl groups when linked with compounds, usually end with what suffix?

a)

ane

b)

ene

c)

yne

d)

yl

5.

Main composition of natural gas:

a)

Ethane

b)

Methane

c)

Butane

d)

Propane

6.

A complex mixture of hydrocarbons that must be separated into fractions and then further refined before it can be used.

a)

Natural gas

b)

Petrolatum

c)

Petrolium

d)

Alkanes

7.

Relationship between alkanes' boiling points and their molecular masses.

a)

Directly proportional

b)

Inversely proportional

8.

Relationship between alkanes' melting points and their molecular masses.

a)

Directly proportional

b)

Inversely proportional

9.

Other name of Alkanes:

a)

Parrafins

b)

Olefins

c)

Petroleum

d)

Natural gas

10.

Reactants during the combustion process.

a)

Oxygen

b)

Alkane

c)

Alkene

d)

Carbon

11.

What light is radiated during the halogenation reaction?

a)

Xray

b)

Infrared

c)

UV

d)

Rainbow

12.

Examples in nature of alkenes include:

a)

ethylene

b)

a-pinene

c)

b-carotene

d)

benzene

13.

Type in the general formula for alkenes. (no spaces, all caps)

(a)  

14.

Main compositions of alcohols:

a)

Alkene

b)

Water

c)

Alkane

d)

Carbon

15.

Catalysts used during the hydrogenation of alkenes:

a)

Palladium

b)

Platinum

c)

Potassium

d)

Copper

16.

I. Alkene + potassium permanganate, KMnO4, in basic solution --> C=O

II. Alkene + potassium permanganate, KMnO4, in acidic solution --> -diols

a)

Only I is correct

b)

Only II is correct

c)

Both are correct

d)

Both are incorrect

17.

Polymers, when broken down, produce:

a)

Monomers

b)

Dimers

c)

Trimers

d)

Polymers

18.

The three process involved during the polymerization reaction:

a)

Initiation

b)

Propagation

c)

Termination

d)

Completion

19.

True statements about alkynes, except:

a)

sp hybridized

b)

has a linear bond angle of 180o

c)

C=U

d)

considered as a saturated hydrocarbon

20.

What atom can be added during the bromination of alkynes?

a)

B

b)

Cl

c)

Be

d)

Br

21.

Catalyst used during the hydrogenation reaction of alkynes.

a)

Lindlar's reagent

b)

Fehling's reagent

c)

Platinum

d)

Hg2+