Bridging Course 3-4

Question 1

He insisted on a separation of organic and inorganic substances

Answer 1

Jons Jacob Berzelius

Question 2

He produced soaps from various fatty acids and alkalis, thus he was able to demonstrate a chemical change without the ‘vital force’

Answer 2

Michel Chevreul

Question 3

_________made a remarkable discovery because for the first time, an organic compound (urea) was produced from an inorganic source (ammonium cyanate).

Answer 3

Friedrich Wohler

Question 4

He contributed to the downfall of vitalism through the synthesis of acetic acid from carbon disulfide.

Answer 4

Hermann Kolbe

Question 5

Independently and simultaneously, _____________ and ______________ suggested that carbon is tetravalent. The concept on chemical structure greatly influenced the breakthrough for organic chemistry.

Answer 5

Friedrich August Kekule
Archibald Scott Couper

Question 6

He also made significant contributions in chemical structure by stating that carbon is not only tetravalent but also tetrahedral.

Answer 6

Jacobus van’t Hoff

Question 7

He demonstrated the concept of electron dot structures, also known as Lewis structures.

Answer 7

Gilbert Newton Lewis

Question 8

He was responsible for the following important concepts: nature of chemical bond, resonance, hybridization and the molecular orbital theory.

Answer 8

Linus Pauling

Question 9

is a measure of an atom’s attraction for electrons in a bond

Answer 9

electronegativity

Question 10

name the alkyl group
-CH(CH3)CH2CH3
-CH2CH(CH3)2
-C(CH3)3

Answer 10

sec-butyl
isobutyl
tert-butyl

Question 11

fill in the blank

Carboxylic acid
Ester
Amide
_________
_________
_________
Alcohol
Amine
_________
Alkyne
Alkane
_________
_________

Answer 11

Carboxylic acid
Ester
Amide
Nitrile*
Aldehyde*
Ketone*
Alcohol
Amine
Alkene*
Alkyne
Alkane
Ether*
Alkyl halide*

Question 12

give the suffix name and substituent name of
carboxylic acid

Answer 12

-oic acid
carboxy

Question 13

give the suffix name and substituent name of
ester

Answer 13

-oate
-alkoxycarbonyl

Question 14

give the suffix name and substituent name of
amide

Answer 14

-amide
amido

Question 15

give the suffix name and substituent name of
nitrile

Answer 15

-nitrile
cyano

Question 16

give the suffix name and substituent name of
aldehyde

Answer 16

-al
-oxo (included in the parent chain) or formyl (not included in the parent chain)

Question 17

give the suffix name and substituent name of
ketone

Answer 17

-one
oxo (=O)

Question 18

give the suffix name and substituent name of
alcohol

Answer 18

-ol
hydroxy

Question 19

give the suffix name and substituent name of
amine

Answer 19

-amine
amino

Question 20

give the suffix name and substituent name of
alkene

Answer 20

-ene
alkenyl

Question 21

give the suffix name and substituent name of
alkyne

Answer 21

-yne
alkynyl

Question 22

give the suffix name and substituent name of
alkane

Answer 22

-ane
alkyl

Question 23

give the substituent name of ether

Answer 23

alkoxy

Question 24

give the substituent name of alkyl halide

Answer 24

halo

Question 25

how to name spirocyclic compounds

Answer 25

spiro[x.y]alkane

Question 26

how to name bridged bicyclic

Answer 26

bicyclo[x.y.z]alkane

Question 26

how to name fused bicyclic compounds

Answer 26

bicyclo[x.y.0]alkane