Alkanes and Alkenes part I

Alkanes and Alkenes part I

Multiple Choice

General formula of Alkane is 

• C_nH_2n+2
• C_nH_2n
• C_nH_2n+1OH
• C_nH_2n+1COOH

Multiple Choice

Hydrocarbons are compounds that contain

• Carbon, only
• Carbon and Hydrogen, only
• Carbon, Oxygen, and Hydrogen, only
• Carbon, Oxygen, Hydrogen, and Nitrogen, only

Multiple Choice

Give the name of this compound...
C₃H₈

• Propene
• Butane
• Butene
• Propane

Multiple Choice

The "ane" ending in "alkane" tells someone that they are dealing with _________-bonded carbons.

• single
• double
• triple
• quadruple

Multiple Choice

Name this alkane

• Methane
• Ethane
• Propane
• Butane

Multiple Choice

If an alkane has 20 carbon atoms, how many hydrogen atoms will it have?

• 20
• 22
• 40
• 42

Multiple Choice

How many carbon atoms are in propane

• 1
• 2
• 3
• 4

Multiple Choice

Name this alkane

• Methane
• Ethane
• Propane
• Butane

Fill in the Blank

the melting and boiling points of alkanes ..................... down the homologous series

Multiple Choice

Which of the following statements concerning the reaction of methane with bromine is/are correct?

(1) It is an addition reaction.

(2) It is a substitution reaction.

(3) A similar reaction will occur if propane is used instead of methane.

• (1) only

• (2) only

• (1) and (3) only

• (2) and (3) only

Multiple Choice

which compound is saturated hydrocarbon?

• propene

• propanol

• propane

• chloropropane

Multiple Choice

The boiling points and viscosity of alkane molecules increase as their molecular sizes increase.

• True
• False

Multiple Select

Alkanes burn in excess air (oxygen) to produce ......................... and ............................... .

• carbon dioxide

• water vapour

• carbon monoxide

• oxygen

Fill in the Blank

Alkanes react with ..................... (e.g. Cl2, Br2) in the presence of ultraviolet (UV) light.