Chemistry Chapter 11 Quiz

The IUPAC name of CH3-CH=CH-CH3 is ____________. A) 2- butene B) 2- butane C) 1- butene D) butene

A) 2- butene

The hydrogenation of an alkene gives a(n) ______________. A) alkane B) alkene C) alkyne D) benzene

A) alkane

Which of the following is not typical of most hydrocarbons? A) high melting point B) poor solubility in water C) low boiling point D) covalent bonding

A) high melting point

Some alkenes have geometric (cis-trans) isomers because _______________. A) the carbon atoms in the double bond cannot rotate B) each of the carbon atoms in the double bond has four different groups attached to it C) one of the carbon atoms in the double bond has two identical groups attached to it D) the carbon atoms in the double bond are free to rotate

A) the carbon atoms in the double bond cannot rotate

Organic compounds with carbon-carbon double or triple bonds are classified as ________________. A) unsaturated compounds B) saturated compounds C) dilute solutions D) concentrated solutions

A) unsaturated compounds

What is the IUPAC name of this compound? ( See sheet) A) 2,2- dimethylpentane B) 2,4- dimethylpentane C) heptane D) 2- methylhexane

B) 2,4- dimethylpentane

What is the condensed structural formula for an alkane with four carbon atoms? A) CH3-CH=CH-CH3 B) CH3-CH2-CH2-CH3 C) C4H10 D) C-C-C-C-

B) CH3-CH2-CH2-CH3

A formula that shows the arrangement of all bonds in a molecule is called a(n) ______________________. A)molecular formula B) expanded structural formula C)condensed structural formula D)condensed molecular formula

B) expanded structural formula

A cycloalkane _________________. A) has two fewer carbon atoms than the corresponding alkane B) has two fewer hydrogen atoms than the corresponding alkane C) contains -CH3 groups joined by single bonds D) always contains a three carbon ring

B) has two fewer hydrogen atoms than the corresponding alkane

What is the IUPAC name of this compound? CH3-CH2-CH2-CH2-CH2-CH2-CH3 A) hexane B) heptane C) octane D) butane

B) heptane

All of the carbon-Carbon bonds in benzene are _______________. A) composed of only two types, single and double B) identical C) double bonds D) single bonds

B) identical

Alkanes and Alkynes are called unsaturated compounds because _______________. A) they have the maximum number of hydrogen atoms attached to each carbon in the compound B) they have fewer hydrogen atoms attached to the carbon chain than alkanes C) they have more hydrogen atoms attached to the carbon chain than alkanes D) they have more carbon atoms than alkanes

B) they have fewer hydrogen atoms attached to the carbon chain than alkanes

What is the IUPAC name of the compound shown below? A) 2-pentene B) trans- 2- pentene C) trans-3-pentene D) cis-2-pentene

B) trans- 2- pentene

What is the IUPAC name for this alkane? (See Sheet) A) 2-ethyl-3methylpentane B) 4- ethyl-3methylpentane C) 3,4 dimethylhexane D) 2,3-diethylbutane

C) 3,4 dimethylhexane

Isomers are molecules that share the same formula and have ______________. A) a different shape to the molecule B) the same arrangement of atoms within the molecule C) a different arrangement of atoms within the molecule D) identical boiling points

C) a different arrangement of atoms within the molecule

The reaction of hydrogen(H2) and propene using a platinum catalyst is called ____________. A) combustion B) substitution C) addition D) neutralization

C) addition

An alkyne is an organic compound that contains a ______________ bond. A) single B) double C) triple D) aromatic

C) triple

What is the IUPAC name of the following compound? ( see sheet) CH3 CH3-CH2-CH2-CH2-CH-CH3 A) heptane B) methylhexane C) 5- methylhexane D) 2-methylhexane

D) 2-methylhexane

What is the condensed structural formula of the compound propane? A) CH3-CH2-CH3 B) H3C=CH2-CH3 C) H2C=C=CH2 D) CH3-CH=CH2

D) CH3-CH=CH2

What is (are) the product(s) of the complete combustion of any hydrocarbon? A) CO only B) CO2 only C) CO + H20 D) CO2+ H20

D) CO2+ H20

An unsaturated compound always ________________. A) is a cycloalkane B) contains a double bond C) contains a triple bond D) contains at least one double or triple bond

D) contains at least one double or triple bond

The skeletal formula shown is that of _______________. (zigzag) A) butane B) pentane C) octane D) heptane

D) heptane

The reaction of an alkene and water in the presence of an acid catalyst to produce an alcohol is called _______________. A) hydrolysis B) alkoholysis C) halogenation D) hydration

D) hydration

What is the IUPAC name of the alkyl group CH3-CH2-CH2? A) propane B) methyl C) ethyl D) propyl

D) propyl

According to the IUPAC convention for chemical naming, which part of a hydrocarbon is selected as the main chain for a hydrocarbon chain? A) the most highly branched chain B) the shortest chain C) the longest chain drawn in a straight line D) the longest continuous chain, regardless of bends

D) the longest continuous chain, regardless of bends

When drawing a structural formula, the first step is to draw ___________________. A) the substituents B) the most highly substituted carbons C) the saturated carbons D) the main carbon chain

D) the main carbon chain

All alkenes show cis-trans isomerism.

False

In a trans alkene, the groups are on the same side of the double bond.

False

Octane is a seven carbon linear alkane.

False

When hydrogen is added to 1-pentane in the presence of a platinum catalyst, the product is 1-pentyne.

False

What is the product of the reaction shown below? CH3-CH2-CH=CH2+HOH ----> H+

See sheet

Hydrogenation is used to convert alkenes to alkanes.

True

Isomers have the same molecular formula.

True

Organic compounds usually have low melting and boiling points

True

The compound shown below is cis-3-hexane.

True

The first four linear alkyl substituent groups are named methyl, ethyl, propyl, and butyl.

True

When naming an alkane, the main chain is the longest continuous carbon chain regardless of bends.

True