Podcast
Questions and Answers
What is the purpose of the 'alcohol breath test' used by the Federal Road Safety Corps?
What is the purpose of the 'alcohol breath test' used by the Federal Road Safety Corps?
- To detect the presence of alcohol in a person's breath (correct)
- To determine if a person has consumed esters
- To measure the amount of alcohol in the bloodstream
- To test for the level of carbon dioxide in the breath
What is the chemistry behind the 'alcohol breath test'?
What is the chemistry behind the 'alcohol breath test'?
- Oxidation of alcohols (correct)
- Enzymatic hydrolysis
- Reduction of aldehydes
- Esterification reaction
In esterification of alcohols, what are the typical reactants and conditions involved?
In esterification of alcohols, what are the typical reactants and conditions involved?
- Alcohol and carboxylic acid under basic conditions
- Alcohol and amine under acidic conditions
- Alcohol and carboxylic acid under acidic conditions (correct)
- Alcohol and amine under basic conditions
What is the name for the reverse reaction of esterification of alcohols?
What is the name for the reverse reaction of esterification of alcohols?
How can one manipulate the reverse reaction of esterification to undertake soap preparation (saponification)?
How can one manipulate the reverse reaction of esterification to undertake soap preparation (saponification)?
What is the term used for the reaction where an alcohol reacts with a carboxylic acid in the presence of concentrated sulphuric acid to form esters?
What is the term used for the reaction where an alcohol reacts with a carboxylic acid in the presence of concentrated sulphuric acid to form esters?
When esterification occurs, what is the backward reaction called?
When esterification occurs, what is the backward reaction called?
What can be used in place of a carboxylic acid to speed up the esterification reaction?
What can be used in place of a carboxylic acid to speed up the esterification reaction?
Which common oxidizing agents are used to oxidize alcohols into carbonyl compounds or carboxylic acids?
Which common oxidizing agents are used to oxidize alcohols into carbonyl compounds or carboxylic acids?
What color change is observed when primary alcohols are oxidized with acidified potassium dichromate?
What color change is observed when primary alcohols are oxidized with acidified potassium dichromate?
In the drunken driver test, what color change occurs when ethanol vapour from the breath reacts with K2Cr2O7 coated paper?
In the drunken driver test, what color change occurs when ethanol vapour from the breath reacts with K2Cr2O7 coated paper?
What are the conditions for the dehydration of an alcohol to an alkene?
What are the conditions for the dehydration of an alcohol to an alkene?
How do you obtain an aldehyde as the only product from an alcohol?
How do you obtain an aldehyde as the only product from an alcohol?
What is the composition of Lucas reagent used to distinguish different classes of monohydric alcohols?
What is the composition of Lucas reagent used to distinguish different classes of monohydric alcohols?
How can you distinguish ethanol from 2-propanol and 1-propanol from 2-methyl-2-propanol using Lucas Reagent?
How can you distinguish ethanol from 2-propanol and 1-propanol from 2-methyl-2-propanol using Lucas Reagent?
What observation confirms a primary alcohol when using Lucas Reagent?
What observation confirms a primary alcohol when using Lucas Reagent?
How do you recognize an alcohol that can undergo the iodoform test?
How do you recognize an alcohol that can undergo the iodoform test?
What is the product formed when an aliphatic primary amine reacts with HNO2?
What is the product formed when an aliphatic primary amine reacts with HNO2?
In the Lucas test for distinguishing monohydric alcohols, which type of alcohol forms a cloudy mixture immediately upon refluxing?
In the Lucas test for distinguishing monohydric alcohols, which type of alcohol forms a cloudy mixture immediately upon refluxing?
What is the order of reactivity based on carbocation stability in alcohol halogenation reactions?
What is the order of reactivity based on carbocation stability in alcohol halogenation reactions?
Which reaction leads to the formation of carbon (IV) oxide and water when alcohols burn in air?
Which reaction leads to the formation of carbon (IV) oxide and water when alcohols burn in air?
What is the product formed when Grignard’s Reagent reacts with an ester?
What is the product formed when Grignard’s Reagent reacts with an ester?
Which reaction follows the order: 3°alcohol > 2°alcohol > 1°alcohol in terms of rate of reaction?
Which reaction follows the order: 3°alcohol > 2°alcohol > 1°alcohol in terms of rate of reaction?
What reagents can be used to convert alcohols to alkyl halides?
What reagents can be used to convert alcohols to alkyl halides?
How is the dehydration of alcohols to alkenes usually carried out?
How is the dehydration of alcohols to alkenes usually carried out?
What is the major product formed when an excess alcohol is heated with concentrated sulphuric acid at about 140°C?
What is the major product formed when an excess alcohol is heated with concentrated sulphuric acid at about 140°C?
Which rule guides the regioselectivity of dehydration of alcohols to alkenes?
Which rule guides the regioselectivity of dehydration of alcohols to alkenes?
What forms when alcohols react with reactive metals like sodium and potassium?
What forms when alcohols react with reactive metals like sodium and potassium?
In the context of alcohol dehydration, what are Phosphorus halides used for?
In the context of alcohol dehydration, what are Phosphorus halides used for?
