Alcohols And Ethers

Question 0

Alkyl groups ____ the conjugate base of alcohols and thus _____ the pka.

Answer 0

Destabilize

Increase

Question 1

The presence of an electron withdrawing group will ____ the negativity charged conjugate base of an alcohol and this will ____ the pjs

Answer 1

Stabilize

Decrease

Question 2

Phenols are ____ acidic than aliphatic alcohols due to resonance structures

Answer 2

More

Question 3

Phenols have ___ melting and boiling points but are _____ in water

Answer 3

High

Slightly soluble

Question 4

Electron withdrawing substituents _____ acidity while electron donating groups ____ acidity for phenols

Answer 4

Increase

DecreaSe

Question 5

What are the two most common reducing agents ? Which is the stronger reducing agent ?

Answer 5

LAH and NaBH4

LAH

Question 6

What are the two most common oxidizing agents ? Which one is more powerful ?

Answer 6

PCC and KMnO4

KMnO49

Question 7

Treatment of phenols with oxidizing agents produce compounds called ?

Answer 7

Quinones

Question 8

Ethers boil at ___ temperatures compared to alcohols due to no hydrogen bonding

Answer 8

Low

Question 9

Ethers react with oxygen in the air to form highly explosive compounds called ?

Answer 9

Peroxides

Question 10

In asymmetrical epoxide a the most substituted Carbon is attacked by the Nucleophile in the presence of ____ while the least substituted is attacked in the present of ____

Answer 10

Acid

Base