Alkanes

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

What is the general formula for saturated hydrocarbons?

• C_nH_2n
• C_nH_n+1
• C_nH_2n+1
• C_nH_2n+2

In organic chemistry, commas separate....

• numbers

• names from numbers

In organic chemistry, dashes separate....

• numbers
• names from numbers

Which is the structures with IUPAC nomenclature

2,2,4-trimethylpentane

• 
• 
• 
• 

Give the IUPAC name for this compound

• 3-methyl-4-ethylhexane

• 3-ethyl-4-methylhexane

• 3-methyl-4-ethylheptane

• 3-ethyl-4-methylheptane

Why do alkane not dissolve in water?

• they are less dense than water
• they have low melting points
• they are non-polar compounds 
• they are chemically less reactive

Give IUPAC nomenclature for this compound

• 2,7-dimethyl-5-ethyloctane

• 5-ethyl-2,7-dimethyloctane

• 2,7-dimethyl-3-ethyloctane

• 4-ethyl-2,7-dimethyloctane

Tags

NGSS.HS-PS1-1

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

• 20
• 22
• 40
• 42

Hydrocarbons are compounds that contain

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

Tags

NGSS.HS-LS1-6