Hydrocarbons Part 1 Nat 5

1 2 3 4 5 6

7 8 9 10 11 12

13 14 1815

19

16 17

2120 22 2423

Name the family of hydrocarbons which the

following belong to

ethane, hexane, propane

Alkanes

Name the following hydrocarbonsCH4 C3H8 C7H16

methane propane heptane

Name the following alkane

2,3,dimethylpentane

C C C C C

C

C

H

H

H

H

H H

H

H

H

H

HHH

HHH

Draw a full structural formula for2,2,dimethylbutane ?

C C C C H

C

C

H

H

H

H

H H

H

HHH

HHH

State the general formula for the alkanes

CnH2n+2

What is meant by a homologous series?

A group of compounds with the same general

formula and similar chemical properties

State the general formula of the alkenes.

CnH2n

Name the first member of the alkene family and give its molecular formula?

Ethene C2H4

What type of bond is found between two carbon atoms in an alkene molecule?

A carbon to carbon double bond C=C

Name the following hydrocarbon?

Pent-2-ene

C C C C CH

H

H

H

H H

H

HHH

Draw a structural formula for the following

But-2-ene But-1-ene

H C C C C

H

H H

H

HHH

C C C C HH

H

H

H

H

HH

State the general formula of the cycloalkanes?

CnH2n

Name the first member of the cycloalkane family.

Cyclopropane C3H6

Name the following hydrocarbon.

cyclopentane

CCC

C C

H

H

H

HH

H

H

H

HH

Draw a structural formula for cyclopropane.

CCC

H H

H

HH

H

What are isomers?

Compounds with the same molecular formulae

but different structural formulae.

Name an isomer of pent-1-ene which belongs to the same homologous

series.

Pent-2-ene

Name an isomer of pent-1-ene which belongs to a different

homologous series.

Cyclopentane

Name the two hydrocarbon families which are isomers of each other.

Alkenes and cycloalkanes - both have the

general formula CnH2n

How can an alkanol be identified?

From the name ending - ol and the hydroxyl group

(OH)

Name the following compound.

H C C C C

H

H H

H

HHOH

H H

Butan-2-ol

Draw structural formula for pentan-2-ol and pentan-3-ol.

H C C C C

H

H H

C

HHOH

H H H

H

H

H C C C C

H

H H

C

HHH

H OH H

H

H

How can an alkanoic acid be identified?

By the ‘oic’ name ending and the carboxyl group COOH

C OH

O

Name the following compound

H C C C C

H

H O

OH

HH

H H

BUTANOIC ACID