4.1.4: Isomerism

Question 1

what are structural isomers?

Answer 1

compounds with the same molecular formula but different structural formula

Question 2

what are the 3 ways structural isomers can form?

Answer 2

1. alkyl groups in different places
2. the functional group is bonded to a different part of the chain
3. the functional group could be different

Question 3

what is stereoisomerism?

Answer 3

organic compounds with the same molecular formula and same structural formula but different arrangements of atoms in space

Question 4

what is cis-trans isomerism?

Answer 4

a type of E/Z isomerism in which the two substituent groups attached to both carbon atoms of the C=C double bond are the same

Question 5

what is E/Z isomerism?

Answer 5

a type of stereoisomerism caused by restricted rotation around the double bond with two different groups attached to each carbon of the C=C

Question 6

what makes a compound a Z- isomer?

Answer 6

if the highest priority groups are in the same side of C=C

Question 7

what makes a compound an E-isomer?

Answer 7

if the highest priority groups are on opposite sides on C=C

Question 8

is an E isomer, cis or trans?

Answer 8

trans

Question 9

is a Z isomer cis or trans?

Answer 9

cis