Grade 11 Organic Chemistry T3 Exam

Chlorination of alkanes is an example of

• Elimination reaction

• Free radical substitution reaction

• Nucleophilic substitution reaction

• Electrophilic addition reaction

Choose the incorrect option regarding isomerism:

• They differ in both physical and chemical properties

• They have different molecular formula

• There are two types of isomerism : Structural and Stereoisomerism

• Geometric and optical isomerism are two types of stereoisomerism

Which statement best defines chain isomerism?

• Existance of chemical compounds with same molecular formula

• Different ways the same number of carbons are connected which is either straight or branched

• Have mirror image of each other

• Similar chemical properties with different physical properties such as solubility

the name of this compaund C₄H₁₀

• METHANE

• HEXENE

• BUTANOIC ACID

• BUTANE

Name the compound.

• hexane
• 2,3-dimethylbutane
• ethylbutane
• 2,2-dimethylbutane

Cracking.....

• Breaks larger hydrocarbons into smaller hydrocarbons
• Separates hydrocarbons based on their length
• Detects alkenes

Ethene and propene are alkene in the same homologous series. Complete the following sentence about a homologous series using words from the list below.

A homologous series is a family of similar ……….. with similar….. properties due to the same ….. group.

LIST

alcohols

functional

chemical

mixtures

compounds

physical

elements

The right words to complete the sentence respectively are ….

• alcohols, chemicals, compounds

• functional, chemical, mixtures

• compounds, chemical, functional

• mixtures, chemical, compound

Name this compound...

• methane

• methene

• methanol

• methoxymethane

An organic compound with a hydroxyl (OH) functional group on an aliphatic carbon atom.

• Aldehydes

• Alcohols

• Alkynes

As the number of carbons increases in an homologous series the melting point generally...

• increase
• decrease
• stay the same
• varies