Block Two

Question 1

If con H2So4 is added to an alcohol what forms?

Answer 1

An alkene

Question 2

If an alkene reacts with H2/Pt what sort of alkane forms?

Answer 2

Cis

Question 3

If an alkene reacts with Br2 what type of haloalkane is formed?

Answer 3

Trans

Question 4

What happens when an alkene is reacted with both Br2 and H2O?

Answer 4

An alcohol with a bromine substituent is formed

Question 5

What is formed when KOH in alcohol is added to a haloalkane?

Answer 5

An alkene

Question 6

What is Markovnikov’s rule and when does it apply?

Answer 6

The rich get richer

Addition reactions

Question 7

How is an ether formed from an alkene?

Answer 7

H+/ROH

Question 8

Why is a primary alcohol not the major product of a regular addition reaction?

Answer 8

Secondary carbocations are more stable

Question 9

What is ozonolysis?

Answer 9

The splitting of a pi bond via O3 and Zn/H3O+ to form two ketones or maybe aldehydes depending on the alkene

Question 10

How is an alkyne prepared?

Answer 10

Using KOH or NaOH on a dihaloalkane

Question 11

What is formed from an alkyne via Lindlar catalyst and H2?

Answer 11

Cis alkene

Question 12

How is a trans alkene formed from an alkyne?

Answer 12

Li/NH3 and H2O

Question 13

What type of alkyne can form an alkynide ion when reacted with a strong base?

Answer 13

Terminal alkynes

Question 14

How is a ketone formed from an alkyne?

Answer 14

aq H2SO4/HgSO4

Question 15

How is an alkane formed from an alkyne?

Answer 15

H2/Pt

Question 16

What constitutes an aromatic compound?

Answer 16

(4N+2)pi electrons where N is a whole number

Question 17

Where is the charge in a resonance contributor always found?

Answer 17

Ortho or para

Question 18

What is acylation?

Answer 18

XC=O and AlX3 react with benzene to form a benzene ring with a carbonyl group attached

Question 19

How is a benzene ring with a CH3 attached formed?

Answer 19

CH3X and AlX3

Question 20

Which reagent is needed to convert a benzene ring with a CH3 to a benzene ring with a CO2H?

Answer 20

aq KMnO4

Question 21

How is NO2 added to a benzene ring?

Answer 21

HNO3/H2SO4

Question 22

How is the diazonium ion formed from benzene?

Answer 22

HNO3/H2So4
Fe/H+
HNO2 0 degrees

Question 23

What happens to primary haloalkanes when reacted with AlX3 and benzene?

Answer 23

They become secondary alkanes attached to the benzene ring

Question 24

How is a nitrile formed from a diazonium ion?

Answer 24

CuCN

Question 25

How can a benzene with CN attached become a benzene with CO2H attached?

Answer 25

H3O+

Question 26

What are the reagents involved in the steps to form an ether substituent on a benzene ring from a diazonium ion?

Answer 26

H3O+ NaH CH3Br

Question 27

How is NO2 added to a benzene ring from a diazonium ion?

Answer 27

CuNO2

Question 28

Which atoms are deactivating (electron withdrawing groups) but are ortho-para directors?

Answer 28

Halogens

Question 29

How does a benzene ring add a halogen on?

Answer 29

X2/FeX3

Question 30

When HBr is added to an alkene and an addition reaction occurs, what is formed?

Answer 30

A racemic mixture of bromoalkanes

Question 31

Which reactions follow the SN2 mechanism?

Answer 31

Primary and secondary alkyl halides with nucleophiles

Question 32

Which reactions undergo SN1 mechanisms?

Answer 32

Tertiary alkyl halides and secondary alkyl halides if they are reacted with water or another weak nucleophile

Question 33

When do E1 reactions occur?

Answer 33

Tertiary alkyl halides except in the presence of a very strong base

Question 34

When do E2 reactions occur?

Answer 34

With either secondary or tertiary alkyl halides in the presence of a strong base

Question 35

What are the two ways alcohols are formed from alkenes?

Answer 35

BH3 followed by H2O2 and OH- | H+ H2O

Question 36

How are diols formed from alkenes?

Answer 36

KMnO4 in base

Question 37

What is formed when haloalkanes react with CN-?

Answer 37

Nitrile

Question 38

How is a nitrile converted into a carboxylic acid?

Answer 38

H3O+

Question 39

What is the reagent required to convert an alkane into a bromoalkane?

Answer 39

Br2 with hv