Understanding Hydrocarbons

What are hydrocarbons primarily composed of?

• Carbon and Sulfur

• Hydrogen and Carbon

• Carbon and Nitrogen

• Hydrogen and Oxygen

Where are most naturally occurring hydrocarbons found?

• In rocks

• In the atmosphere

• In crude oil

• In water bodies

What is the general formula for alkanes?

• C_nH_n

• C_nH_2n

• C_nH_2n+2

• C_nH_2n-2

Which prefix is used for an alkane with four carbon atoms?

• Prop

• Meth

• Eth

• But

What type of bonds do alkenes contain?

• Double bonds

• Quadruple bonds

• Single bonds

• Triple bonds

What is the general formula for alkenes?

• C_nH_2n

• C_nH_2n+2

• C_nH_2n-2

• C_nH_n

What distinguishes alkynes from other hydrocarbons?

• Presence of single bonds

• Presence of double bonds

• Presence of triple bonds

• Presence of quadruple bonds

What is the general formula for alkynes?

• C_nH_n

• C_nH_2n-2

• C_nH_2n

• C_nH_2n+2

What is the chemical formula for ethyne?

• C2H4

• C2H2

• C2H6

• C2H8

What is the prefix for a hydrocarbon with seven carbon atoms?

• Hex

• Hept

• Oct

• Non