chemistry Quiz

What is the general formula for alkanes?

• CnHn+2

• CnHn

• CnH2n+2

• CnH2n

What is the parent name for a hydrocarbon with 6 carbons?

• Nonane

• Octane

• Heptane

• Hexane

How many branch points are there in a hydrocarbon with the structure CH3CHCH2CH2CH2CH2CH3?

• 1

• 2

• 3

• 4

What is the systematic name for the compound with the structure CH3CHCH2CH2CHCH2CH3?

• 2,6-dimethyl-4-(1-methylpropyl)decane

• 3-ethyl-4,7-dimethylnonane

• 3-methyl-4-ethylheptane

• 3-ethyl-4-methylnonane

Which prefix is used for four identical substituents in the systematic nomenclature?

• penta-

• tetra-

• tri-

• di-

What is the trivial name for the alkyl group (1-methylpropyl)?

• Isobutyl

• Isopropyl

• tert-butyl

• sec-butyl

How many carbons are in the parent chain for the trivial name sec-butyl?

• 2

• 3

• 4

• 5

What is the systematic name for the compound with the structure CH3CHCH2CH3CHCH2CH2CH2CH3?

• 2,6-dimethyl-4-(1-methylpropyl)decane

• 3-ethyl-4-methylnonane

• 3-ethyl-4,7-dimethylnonane

• 3-methyl-4-ethylheptane

Which prefix is used for three identical substituents in the systematic nomenclature?

• tri-

• tetra-

• di-

• penta-

What is the trivial name for the alkyl group (1,1-dimethylethyl)?

• tert-butyl

• Isopropyl

• sec-butyl

• Isobutyl