The Brønsted-Lowry theory states that acids are a...
Proton Acceptor
Electron Acceptor
Proton Donor
Electron Donor
In the diagram. HA is referred to as a...
Complex Acid
Conjugate Acid
Compound Acid
Composite Acid
Name the following compound...
1-hydroxybutanoic acid
3-hydroxybutanol
3-hydroxybutanoic acid
hydroxybutandioic acid
When ethanoic acid (CH3COOH) reacts with a sodium carbonate (Na2CO3), entropy within the system increases.
When a carboxylic acid and an alkali are reacted, the following products are formed...
An Organic Salt
Carbon Dioxide
Water
Hydrogen
An Alcohol
An Ester
Esters are made in a condensation reaction between a carboxylic acid and a phenol group
Esters are formed by refluxing carboxylic acids and alcohols in the presence of which reagent?
Concentrated Phosphoric
Concentrated Nitric Acid
Concentrated Sulphuric Acid
Concentrated Boric Acid
Name this compound
Ethyl Propanoate
Ethyl Ethanoate
Propyl Ethanoate
Propyl Propanoate
Which reagent can be used to test for phenols?
Copper (II) Sulphate
Iron (III) Hydroxide
Copper (II) Hydroxide
Iron (III) Chloride
When a ketone or aldehyde is reacted with Hydrogen Cyanide, the resulting product is...
A nitrile-carbonyl
A cyanohydrin
An amide
A nitrate
Which of the following types of chemical reaction always has 100% atom exonomy?
Rearrangement
Addition
Substitution
Elimination
Condensation
What is the atom economy for making Methyl Propanoate from Methanol and Propanoic Acid.
93%
88%
83%
77%
Using this mass spectrum. Suggest which group this sample belongs to
Alkane
Ester
Ether
Carboxylic Acid
How are Rf values calculated with Thin-Layer Chromatography?
Rf = Distance spot travelled / Distance highest spot travelled
Rf = Distance solvent travelled / Distance spot travelled
Rf = Distance solvent travelled
Rf = Distance spot travelled / Distance solvent travelled
How are insoluble impurities removed in the process of Recrystallisation?
Filtration of the cold solution
Filtration of the hot solution
Evaporation & condensation of the solution
Chloronation of the solution
Por favor, aguarde! Carregando...