Quiz 25

Question 1

1. Which of the following aromatic hydrocarbons is consist of two benzene rings?

toluene

naphthalene

anthracene

phenanthrene

Answer 1

naphthalene

Question 2

2. Which of the following is a meta directing radical?

alkyl

halogen

amino

cyano

Answer 2

cyano

Question 3

3. Which of the following is an ortho-para directing radicals?

aldehyde

ketone

nitro

hydroxy

Answer 3

hydroxy

Question 4

4. Isomers with the same bonding attachments of atoms but different spatial orientations.

stereoisomers

geometric isomers

conformational isomers

optical isomers

Answer 4

stereoisomers

Question 5

5. Isomers that differ as a result of the degree of rotation around a carbon-carbon single bond.

stereoisomers

geometric isomers

conformational isomers

optical isomers

Answer 5

conformational isomers

Question 6

6. Name : R C O R

carboxylic acid

aldehyde

ketone

alcohols

Answer 6

ketone

Question 7

7. Name : R NH2

aldehyde

phenols

alcohols

amine

Answer 7

amine

Question 8

8. Name : R COOH

ether

ester

carboxylic acid

ketone

Answer 8

carboxylic acid

Question 9

9. It is produced by the destructive distillation of wood.

methanol

ethanol

isopropyl alcohol

butanol

Answer 9

methanol

Question 10

10. Also known as grain alcohol or beverage alcohol.

methanol

ethanol

isopropyl alcohol

butanol

Answer 10

ethanol

Question 11

11. It is a sweet, syrupy liquid obtained as a by-product of soap manufacture and through synthesis from propene.

phenol

diethyl ether

ethylene glycol

glycerol

Answer 11

glycerol

Question 12

12. Which of the following group of compounds is the most acidic?

alkanes

alkynes

phenol

alcohols

Answer 12

phenol

Question 13

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

reduction

oxidation

oxygenation

dehydrogenation

Answer 13

oxidation

Question 14

14. It is a derivative of ammonia in which one or more hydrogen has been replaced by organic groups.

arylamine

amines

ester

ether

Answer 14

amines

Question 15

15. Which of the following is a primary alcohol?

1-propanol

2-propanol

1,2-ethanediol

Glycerol

Answer 15

1-propanol

Question 16

16. It refers to the number of repeating units in a polymer molecule.

polymerization number

degree of polymerization

carbon number

wrap angle

Answer 16

degree of polymerization

Question 17

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

spectrophotometer

polariscope

gyroscope

telescope

Answer 17

polariscope

Question 18

18. Secondary alcohol when undergoes oxidation forms

aldehyde

acid

ketone

ester

Answer 18

ketone

Question 19

19. It is the stage in a polymerization at which cross-linking begins.

gel point

melting point

annealing point

softening point

Answer 19

gel point

Question 20

20. Tollen’s test is test for presence of

alcohols

phenols

aldehydes

primary amine

Answer 20

aldehydes

Question 21

21. Bayer’s test is test for

unsaturation

alcohol

aldehydes

ketone

Answer 21

unsaturation

Question 22

22. Name the compound CH3-O-CH3

dimethyl ether

ethyl acetate

propanal

ester

Answer 22

dimethyl ether

Question 23

23. A test used clinically to detect glucose in urine, a condition characteristic of disorder such as diabetes in which the body is unable to metabolized glucose normally.

Tollens` Test

Benedicts or Feling`s Test

Schiffs Test

Iodoform Test

Answer 23

Benedicts or Feling`s Test

Question 24

24. The type of reaction benzene usually undergoes is

oxidation

electrophilic substitution

nucleophilic substitution

electrophilic addition

Answer 24

electrophilic substitution

Question 25

25. Aldehydes maybe prepared by oxidizing

primary alcohols

secondary alcohols

tertiary alcohols

ketones

Answer 25

primary alcohols