Quiz 29

Question 1

1. Each of the following atoms is expected to from a negative ion except

bromine

radium

oxygen

iodine

Answer 1

radium

Question 2

2. Which of the following always violates the octet rule?

hydrogen

neon

oxygen

nitrogen

Answer 2

hydrogen

Question 3

3. Sulfur can exist in two crystalline forms, called rhombic and monoclinic sulfur. These two forms are

isotopes

isomers

allotropes

compounds

Answer 3

allotropes

Question 4

4. It is the most abundant compound in space?

helium

hydrogen

oxygen

nitrogen

Answer 4

hydrogen

Question 5

5. Oxidation of glucose with Benedict’s reagent gives what compound?

glucitol

glucopyranose

glucaric acid

gluconic acid

Answer 5

gluconic acid

Question 6

6. An instrument for determining the effect of polarized light as it passes through the material being tested.

spectrophotometer

polariscope

gyroscope

telescope

Answer 6

polariscope

Question 7

7. An organic compound is a compound that

contains carbon and was formed only by a living organism

is a natural compound that has not been synthesized

contains carbon, whether it was formed by living thing or not

was formed by a plant

Answer 7

contains carbon, whether it was formed by living thing or not

Question 8

8. A combination of atoms that confers certain chemical and physical properties on a compound is called a(n)

ether

functional group

hydrogen bond

homolog

Answer 8

functional group

Question 9

9. Hydrogen bonding may form by the attraction between

one hydrogen atom to another in a water molecule

hydrogen and oxygen within a water molecule

the oxygen part of one water molecule to the hydrogen part of another water molecule

the hydrogen part of one water molecule to the hydrogen part of another water molecule

Answer 9

the oxygen part of one water molecule to the hydrogen part of another water molecule

Question 10

10. It involves the removal of hydrogen from carbon-oxygen single bond or insertion of oxygen in a molecule.

reduction

oxygenation

oxidation

dehydrogenation

Answer 10

oxidation

Question 11

11. An alkane with 4 carbon atoms would have how many hydrogen atoms in each molecule?

4

8

10

16

Answer 11

10

Question 12

12. Isomers are compounds with the same

molecular formula with different structures

molecular formula with different atomic masses

atoms, but different molecular formulas

structures, but different formulas

Answer 12

molecular formula with different structures

Question 13

13. Isomers have

the same chemical and physical properties

the same chemical, but different physical properties

the same physical, but different chemical properties

different physical and chemical properties

Answer 13

different physical and chemical properties

Question 14

14. Which of the following compounds can exist as geometric isomers?

CH2Cl2

CH2Cl-CH2Cl

CHBr=CHCl

CH2Cl-CH2Br

Answer 14

CHBr=CHCl

Question 15

15. What is the name of the two optically active molecules that are mirror images of each other?

allotropes

enantiomers

cofactors

geometrical isomers

Answer 15

enantiomers

Question 16

16. What is the basic formula of an alkyne of n carbon atoms?

CnH2n+2

CnH2n

CnH2n-2

CnHn

Answer 16

CnH2n-2

Question 17

17. What do you call hydrocarbons containing carbon to carbon triple bonds?

alkanes

alkenes

alkynes

aromatics

Answer 17

alkynes

Question 18

18. The correct structural formula for 2-pentyne is

CHΞC-CH2-CH2-CH3

CH3-CH=CH-CH2-CH3

CH3-CΞC-CH2-CH3

CH3-CH2-CH2-CH2-CH3

Answer 18

CH3-CΞC-CH2-CH3

Question 19

19. Which of the following is a secondary alcohol ?

CH3CH2CH2OH

(CH3)2CHCH2OH

CH3CH(OH)CH2CH3

(CH3)2CHOH

Answer 19

CH3CH(OH)CH2CH3

Question 20

20. Phenol is

C6H11-OH

CH3CH2CH2OH

C6H5-OH

CH3CH2CH2CH2CH2OH

Answer 20

C6H5-OH

Question 21

21. Which of the following is not a polyhydric alcohol?

2,2-dimethylpropanol

propylene glycol

glycerol

1,6-hexanediol

Answer 21

2,2-dimethylpropanol

Question 22

22. The salt formed by reacting KOH with the three carbon carboxylic acid is

potassium ethylate

potassium propionate

potassium ethanoate

potassium propylate

Answer 22

potassium propionate

Question 23

23. Which of the following is the ester formed from a two carbon alcohol and a five carbon acid?

ethyl acetate

ethyl pentanoate

pentylethanoate

pentyl pentanoate

Answer 23

ethyl pentanoate

Question 24

24. Name the compound (C6H5)2NH

diphenylamine

ethyl acetate

butyl alcohol

ether

Answer 24

diphenylamine

Question 25

25. It is a derivative of ammonia in which one or more hydrogen has been replaced by organic groups. arylamine amines ester ether

Answer 25

amines