Q1) Which functional group is present in alcohols?

a) Carbonyl

b) Hydroxyl

c) Carboxyl

d) Ester

Q2) Which of the following is a characteristic of aldehydes?

a) They have a carbonyl group bonded to a hydrogen atom.

b) They are always acidic.

c) They have a carbon-carbon double bond.

d) They contain a hydroxyl group.

Q3) What is the general formula for ketones?

a) CnH2n+1OH

b) CnH2n

c) CnH2nO

d) CnH2nO2

Q4) Which compound is commonly used as a solvent in nail polish removers?

a) Acetone

b) Ethanol

c) Methanol

d) Propanol

Q5) Which functional group is present in carboxylic acids?

a) Carbonyl

b) Hydroxyl

c) Carboxyl

d) Ether

Q6) What is the simplest aromatic alcohol?

a) Ethanol

b) Methanol

c) Phenol

d) Butanol

Q7) Which compound is known for its characteristic smell and is commonly used in the production of aspirin?

a) Phenol

b) Acetic acid

c) Formic acid

d) Salicylic acid

Q8) Which of the following is a product of the reaction between an alcohol and a carboxylic acid?

a) Ester

b) Ether

c) Aldehyde

d) Ketone

Q9) Which functional group is present in ethers?

a) Carbonyl

b) Hydroxyl

c) Ether

d) Ester

Q10) Which of the following is commonly used as an antifreeze agent in automobile radiators?

a) Ethanol

b) Methanol

c) Glycol

d) Acetone

Q11) What is the common name for ethanoic acid?

a) Formic acid

b) Acetic acid

c) Butyric acid

d) Propionic acid

Q12) Which compound is commonly used in the synthesis of plastics and polyesters?

a) Phenol

b) Ethanol

c) Methanol

d) Ethylene glycol

Q13) Which functional group is present in esters?

a) Carbonyl

b) Hydroxyl

c) Carboxyl

d) Ester

Q14) What is the main product of the reaction between a carboxylic acid and an alcohol in the presence of an acid catalyst?

a) Ether

b) Ester

c) Aldehyde

d) Ketone

Q15) Which compound is commonly used as a preservative in food and as a disinfectant?

a) Acetone

b) Ethanol

c) Methanol

d) Formaldehyde

Q16) What is the common name for methanal?

a) Formic acid

b) Acetic acid

c) Formaldehyde

d) Propionic acid

Q17) Which compound is commonly used as a solvent in paint thinners and cleaning agents?

a) Ethanol

b) Methanol

c) Toluene

d) Acetone

Q18) Which of the following is a characteristic of ethers?

a) They are highly acidic.

b) They have a hydroxyl group bonded to a carbon atom.

c) They are commonly used as solvents.

d) They have a carbon-oxygen-carbon (C-O-C) linkage.

Q19) What is the common name for propanoic acid?

a) Formic acid

b) Acetic acid

c) Propionic acid

d) Butyric acid

Q20) Which compound is commonly used as a solvent in the extraction of caffeine from coffee beans?

a) Ethanol

b) Methanol

c) Dichloromethane

d) Acetone