25.4 disubstitution and directing groups

Question 1

what sort of directing group is NH2?

Answer 1

2- and 4-

Question 2

what sort of directing group is -NHR?

Answer 2

2- and 4-

Question 3

what sort of directing group is RCOR?

Answer 3

3-

Question 4

what sort of directing group is -OH?

Answer 4

2- and 4-

Question 5

what sort of directing group is -OR?

Answer 5

2- and 4-

Question 6

what sort of directing group is -R

Answer 6

2- and 4-

Question 7

what sort of directing group is -C6H5?

Answer 7

2- and 4-

Question 8

what sort of directing group is -CHO?

Answer 8

3-

Question 9

what sort of directing group are halides?

Answer 9

2- and 4-

Question 10

what sort of directing group is -COOH?

Answer 10

3-

Question 11

what sort of directing group is -CN?

Answer 11

3-

Question 12

what sort of directing group is -NO2?

Answer 12

3-

Question 13

what are activating groups?

Answer 13

groups that makes the benzene ring react more readily with electrophiles

Question 14

what are deactivating groups?

Answer 14

groups that makes the benzene ring react less readily with electrophiles

Question 15

what is position 2 on the benzene ring also called?

Answer 15

ortho

Question 16

what is position 3 on the benzene ring also called?

Answer 16

meta

Question 17

what is the position 4 on the benzene ring also called?

Answer 17

para

Question 18

are 2-, 4- directing groups activating or deactivating groups?

Answer 18

activating

Question 19

are 3- directing groups activating or deactivating groups?

Answer 19

deactivating

Question 20

how do groups activate the benzene ring?

Answer 20

donate electrons to the benzene ring

Question 21

how do groups deactivate the benzene ring?

Answer 21

withdraw electrons from the benzene ring