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Organic Chemistry

Alcohols, Phenols & ethers

Browse 60 questions on Alcohols, Phenols & ethers. Click on any question to view the detailed answer and explanation.

What is the product of acid-catalyzed hydration of propene?

Preparation of Alcohols

What are the reagents used in Hydroboration-Oxidation?

Preparation of Alcohols

Does Hydroboration-Oxidation follow Markovnikov or Anti-Markovnikov addition?

Preparation of Alcohols

What is the product when a Grignard reagent reacts with Formaldehyde ( HCHOHCHO )?

Preparation of Alcohols

What is the product when a Grignard reagent reacts with a Ketone ( RCORRCOR' )?

Preparation of Alcohols

Which reducing agent is used to convert carboxylic acids to alcohols?

Preparation of Alcohols

Is NaBH4NaBH_4 strong enough to reduce esters to alcohols?

Preparation of Alcohols

What product is formed from the hydrolysis of a Diazonium salt?

Preparation of Phenols

What are the two products obtained from the Cumene process?

Preparation of Phenols

How is phenol prepared from Benzene Sulphonic acid?

Preparation of Phenols

Why do alcohols have higher boiling points than comparable hydrocarbons?

Physical Properties

Compare the boiling points of isomeric alcohols (primary, secondary, tertiary).

Physical Properties

Why are lower alcohols soluble in water?

Physical Properties

What is the order of acidity for 11^\circ , 22^\circ , and 33^\circ alcohols?

Acidity

Why is phenol more acidic than ethanol?

Acidity

What is the effect of an electron-withdrawing group (like NO2-NO_2 ) on phenol acidity?

Acidity

Which is more acidic: o-cresol or phenol?

Acidity

Arrange in increasing acidity: Ethanol, Phenol, Water.

Acidity

What is the role of Pyridine in the reaction of alcohol with acid chloride?

Chemical Reactions (Alcohols)

What is the Lucas Reagent?

Chemical Reactions (Alcohols)

What observation distinguishes 33^\circ alcohols in the Lucas Test?

Chemical Reactions (Alcohols)

What is the mechanism of dehydration of alcohols to alkenes?

Chemical Reactions (Alcohols)

What is the product of heating Ethanol with Conc. H2SO4H_2SO_4 at 443 K?

Chemical Reactions (Alcohols)

What is the product of heating Ethanol with Conc. H2SO4H_2SO_4 at 413 K?

Chemical Reactions (Alcohols)

What does PCC (Pyridinium Chlorochromate) oxidize primary alcohols to?

Chemical Reactions (Alcohols)

What does KMnO4KMnO_4 oxidize primary alcohols to?

Chemical Reactions (Alcohols)

What happens when vapors of a 33^\circ alcohol are passed over heated CuCu at 573 K?

Chemical Reactions (Alcohols)

Why is SOCl2SOCl_2 preferred for preparing alkyl chlorides from alcohols?

Chemical Reactions (Alcohols)

What is the product of Phenol reacting with dilute HNO3HNO_3 ?

Chemical Reactions (Phenols)

What is the product of Phenol reacting with Concentrated HNO3HNO_3 ?

Chemical Reactions (Phenols)

What is observed when Bromine water is added to Phenol?

Chemical Reactions (Phenols)

What product forms if Phenol reacts with Br2Br_2 in CS2CS_2 at low temp?

Chemical Reactions (Phenols)

What are the reagents for Kolbe's Reaction?

Named Reactions

What is the major product of Kolbe's Reaction?

Named Reactions

What are the reagents for Reimer-Tiemann Reaction?

Named Reactions

What is the electrophile in the Reimer-Tiemann Reaction?

Named Reactions

What is the major product of the Reimer-Tiemann Reaction?

Named Reactions

What is formed when Phenol is heated with Zinc dust?

Chemical Reactions (Phenols)

What forms when Phenol is oxidized by Na2Cr2O7Na_2Cr_2O_7 / H2SO4H_2SO_4 ?

Chemical Reactions (Phenols)

What is the mechanism of Williamson Synthesis?

Preparation of Ethers

What is the limitation of Williamson Synthesis regarding the alkyl halide?

Preparation of Ethers

Can Anisole be prepared from Chlorobenzene and Sodium Methoxide?

Preparation of Ethers

What forms when Anisole reacts with HIHI ?

Reactions of Ethers

Why does the cleavage of Anisole give Phenol and not Iodobenzene?

Reactions of Ethers

What are the products of the reaction of t-butyl methyl ether with HIHI ?

Reactions of Ethers

Is the alkoxy group ( OR-OR ) ortho-para directing or meta directing?

Reactions of Ethers

What forms upon Friedel-Crafts methylation of Anisole?

Reactions of Ethers

What is the IUPAC name of Glycerol?

Nomenclature

What is the common name for Benzene-1,2-diol?

Nomenclature

What is the structure of p-Cresol?

Nomenclature

What is the IUPAC name for CH3OCH2CH3CH_3-O-CH_2-CH_3 ?

Nomenclature

Which reagent distinguishes Phenol from Ethanol?

Distinction Tests

How does the Iodoform test distinguish alcohols?

Distinction Tests

Why are o-nitrophenol and p-nitrophenol separable by steam distillation?

Physical Properties

In the acid-catalyzed dehydration of ethanol, what is the slow step?

Reaction Mechanism

What is "Denatured Alcohol"?

Commercial Alcohols

How is Ethanol obtained commercially?

Commercial Alcohols

What is the starting material for the manufacture of Aspirin?

Uses

What is the chemical name of Aspirin?

Uses

Why does the reaction of 11^\circ ether with HIHI follow SN2S_N2 mechanism?

Reaction Mechanism