Question:-What's the Test for a Carbonyl group?
{{{Answer}}} (Brady's reagent (2,4 DNPH) Orange to yellow precipitate)
Question:-Do Carbonyls have a
... [Show More] lower or higher boiling point when compared to a corresponding Alcohol?{{{Answer}}} (Lower)
Question:-Do Carbonyls have a higher or lower boiling point when compared to a corresponding Alkane?{{{Answer}}} (Higher)
Question:-Do Carbonyls dissolve in water?{{{Answer}}} (Yes limited association with water molecules)
Question:-What's the test for an Aldehyde?{
{{Answer}}} (Tollens reagent - Silver mirror test OR
Fehling's/Benedict's reagent blue to brick red)
Question:-What is the Test for a Ketone?
{{{Answer}}} (Negative result with an oxidizing agent like Fehlings)
Question:-What is the Test for a Carboxylic Acid?
{{{Answer}}} (Add a carbonate - CO2 formed and effervesence OR
Universal indicator - red colour)
Question:-Will a Carboxylic Test positive as a Carbonyl?
{{{Answer}}} (No)
Question:-What is the Oxidising Agent for Alcohols?
{{{Answer}}} (Acidified Potassium Dichromate (K2Cr2O7))
Question:-Oxidising Agents to change Aldehydes to Carboxylics?
{{{Answer}}} (Fehlings, Acidified Potassium Dichromate, Tollens)
Question:-What is the Reducing agent for Carboxylics and Carbonyls?
{{{Answer}}} (NaBrH4 OR LiAlH4)
Question:-Can all Alcohols be Oxidized to a Carbonyl?
{{{Answer}}} (Not Tertiary)
Question:-Product of Oxiding a Primary Alcohol?
{{{Answer}}} (Aldehyde, Carboxylic)
Question:-Product of Oxidising a Secondary Alcohol?
{{{Answer}}} (Ketone)
Question:-Product of Oxidising a Ketone
{{{Answer}}} (Not going to happen)
Question:-What is the specific functional group determining a Carbonyl?{{{Answer}}} (C=O group)
Question:-What is the reaction mechanism associated most associated with Carbonyls?
{{{Answer}}} (Nucleophilic Addition)
Question:-What are the conditions required for a Carbonyl to undergo Nucleophilic Addition with a cyanide ion?
{{{Answer}}} (Hydrogen Cyanide, Potassium Cyanide Catalyst (Don't even think about doing it in the lab))
Question:-Asymmetrical Carbonyls will react with Nucleophiles to give products Why is the product
not optically active?{{{Answer}}} (Racemate equal quantity of both Optical isomers)
Question:-Asymmetrical alcohols will undergo Nucleophilic Substitution........Why is the product not optically active?{{{Answer}}} (Only one Optical isomer is produced)
Question:-What is the reagent in the electrophilic addition of water to an alkene?
{{{Answer}}} (Water with strong acid (sulfuric or phosphoric acid))
Question:-What two species are added to the carbons either side of the double bond when water is electrophilically added to an alkene?{{{Answer}}} (H and OH)
Question:-What is the product when water is electrophilically added to an alkene?
{{{Answer}}} (An alcohol)
Question:-What is the general formula of an alcohol with no carbon rings?
{{{Answer}}} (CnH2n+1OH)
Question:-Where is the OH attached in aromatic alcohols?{{{Answer}}} (Directly to the ring)
Question:-What are aromatic alcohols known as?{{{Answer}}} (Phenols)
Question:-What is a primary alcohol?
{{{Answer}}} (One which is attached to a carbon which is attached to 1 other carbon)
Question:-What is a secondary alcohol?
{{{Answer}}} (One which is attached to a carbon which is attached to 2 other carbons)
Question:-What is a tertiary alcohol?
{{{Answer}}} (One which is attached to a carbon which is attached to 3 other carbons)
Question:-What is the C-O-H angle in an alcohol and why?
{{{Answer}}} (~105° because the oxygen has two lone pairs which makes the functional group a V- shaped molecule)
Question:-Why do alcohols have a much higher boiling point than alkanes with a similar molecular mass?{{{Answer}}} (Because they can form hydrogen bonds, which are not present in alkanes) [Show Less]