ch 23 pt 2

Which one of the following functional groups is a base? aldehyde alcohol carboxylic acid ether amine

Which of the following functional groups does not contain an oxygen atom? Ester Ether Aldehyde Amide Amine

Which of the following statements is/are CORRECT? 1. Thermoplastics are a class of polymers that will not decompose at temperatures as great as 700 °C. 2. Thermosetting plastics harden when heated, but they regain their elasticity when cooled. 3. Elastomers are materials that spring back to their original shape when stretched.

Polyvinyl chloride is used in raincoats and pipes. It is produced by the addition reaction of chloroethylene, CH2CHCl. What is the structure of the polymer produced in this reaction?

In vulcanized rubber, the polymer chains of natural rubber are cross-linked with sulfur atoms. The polymer chains stretch when stressed, but they return to their original shape when the stress is removed. Substances that behave this way are called ________.

Which of the following reactions is a substitution reaction? C6H6 + Cl2 → C6H5Cl + HCl CH2=CH2 + Cl2 → CH2ClCH2Cl CH2=CH2 + HCl → CH3CH2Cl CH2=CH2 + H2 → CH3CH3 HC CH + 2Cl2 → CHCl2CHCl2

What is the product of the addition of HCl to ethylene? chloroethane chloroethylene 1,2-dichloroethane 1,1-dichloroethane 1,1,2,2-tetrachloroethylene

The hydrolysis of an ester in the presence of NaOH produces a carboxylate salt of sodium and an alcohol. an ether and an amide. an alcohol and an amine. an aldehyde and an ether. an ether and a carboxylate salt of sodium.

A mixture of ethanol and benzoic acid is heated in the presence of an acid. Which of the following is the primary product of this reaction?

Which of the following chemical equations depicts a halogenation reaction with benzene? C6H6() + 3 Br2(g) → 3 C2H2Br2(g) C6H6() + Cl2(g) → C6H5Cl() + HCl(g) C6H6() + CH3I(g) → C6H5CH3() + HI(g) C6H6() + Cl2(g) → C6H4Cl2() + H2(g) C6H6() + 3 Br2(g) → 6 C6H6Br6(g)

hen a secondary alcohol is oxidized, the product is a(n) ____. ketone ether ester aldehyde amide

Which of the following statements concerning methanol is/are correct? 1. Methanol is used as a fuel in high-powered racing cars. 2. Human consumption of methanol can lead to blindness. 3. Methanol is converted by the human body to formaldehyde and formic acid. 1 only 2 only 3 only 1 and 3 1, 2, and 3

Which of the following alkenes is capable of forming cis-trans isomers? (CH3)2 = CH2 (CH3)2 = CHBr CH3CH = CH2 CH3CH = CBr2 CHBr = CHD

Which functional group does not contain a double bond to an oxygen atom? ester aldehyde ether amide ketone

Reduction of a ketone produces a(n) _____. alkane amide amine secondary alcohol primary alcohol

Which of the following statements concerning structural isomers is/are correct? 1. Structural isomers have the same elemental composition, but the atoms are linked in different ways. 2. Structural isomers have identical physical properties, but different chemical properties. 3. Structural isomers have identical structures, but contain different isotopes of the same elements.

Low density polyethylene (LDPE) is most likely to be used in sandwich bags. bottle caps. rigid pipes. contact lenses. fabrics and apparel.

The process by which long chain hydrocarbons in petroleum are shortened is called ________.

Which of the following compounds might be used to reduce a carboxylic acid to an aldehyde? H+ Cl2 K2Cr2O7 KMnO4 NaBH4

When sulfur is added to rubber and the mixture is heated, the resulting rubber is still elastic but much stronger. This process is called addition polymerization isomerization oligomerization vulcanization halogenation

Which of the following noncyclic hydrocarbons has two π bonds? C3H4 C4H8 C6H12 C7H14 C8H18

What are the products of a condensation reaction between a primary amine and a carboxylic acid? water and an amide water and an ester ammonia and an amide ammonia and an ester an ammonium cation and a carboxylate anion

Molecules with nonsuperimposable mirror images are termed chiral. Pairs of nonsuperimposable, mirror image molecules are called ________.

Which of the following statements is/are CORRECT? 1. Polyethylene forms by the addition reaction of C2H4 molecules. 2. Copolymers form by the polymerization of two (or more) different monomers. 3. A condensation reaction involves reacting two monomers and splitting out a small molecule, often water.