Question 1

Which functional group is found in alcohols?

Accepted Answer

Hydroxyl group

Answer

Amino group

Answer

Carboxyl group

Answer

Ester group

Question 2

What is the general formula of an alkane?

Accepted Answer

CnH2n+2

Answer

CnH2n-2

Answer

CnH2n+4

Answer

CnH2n

Question 3

What is the main functional group found in carboxylic acids?

Accepted Answer

Carboxyl group

Answer

Amino group

Answer

Ester group

Answer

Hydroxyl group

Question 4

Which of the following is a characteristic of alkenes?

Accepted Answer

Double bonds

Answer

Single bonds

Answer

Triple bonds

Answer

No bonds

Question 5

Which of the following is an example of an organic compound?

Accepted Answer

Glucose

Answer

Calcium oxide

Answer

Nitrogen gas

Answer

Sodium chloride

Question 6

What is the general formula of alkenes?

Accepted Answer

CnH2n

Answer

CnH2n+2

Answer

CnHn

Answer

CnH2n-2

Question 7

What is the process called when a molecule gains oxygen?

Accepted Answer

Oxidation

Answer

Hydration

Answer

Reduction

Answer

Polymerization

Question 8

Which of the following is not true about alkenes?

Accepted Answer

c

Answer

d: Ethene is an example of an alkene.

Answer

c: Alkenes have only single bonds between carbon atoms.

Answer

a: They are hydrocarbons with a double bond between carbon atoms.

Answer

b: Alkenes are unsaturated hydrocarbons.

Question 9

Which reagent can be used to brominate alkenes?

Accepted Answer

Br2

Answer

BrO3-

Answer

HBr

Answer

NaBr

Question 10

Which test is commonly used to test for the presence of alkenes?

Accepted Answer

Bromine water test

Answer

Silver nitrate test

Answer

Fehling's test

Answer

Tollen's test

Question 11

What is the product formed when alcohols are oxidized with potassium manganate(VII)?

Accepted Answer

carboxylic acid

Answer

aldehyde

Answer

ketone

Answer

ester

Question 12

What is the product of complete combustion of methane (CH4)?

Accepted Answer

Water (H2O) and carbon dioxide (CO2)

Answer

Propane (C3H8) and nitrogen (N2)

Answer

Methanol (CH3OH) and carbon monoxide (CO)

Answer

Ethane (C2H6) and oxygen (O2)

Question 13

What is the product of complete combustion of ethane (C2H6)?

Accepted Answer

Carbon dioxide (CO2) and water (H2O)

Answer

Butane (C4H10) and oxygen (O2)

Answer

Methanol (CH3OH) and carbon monoxide (CO)

Answer

Propane (C3H8) and nitrogen (N2)

Question 14

What is the balanced equation for incomplete combustion of ethane?

Accepted Answer

2C2H6 + 5O2 -> 4CO + 6H2O

Answer

2C2H6 + 4O2 -> 4CO + 6H2O

Answer

C2H6 + O2 -> CO2 + H2O

Answer

2C2H6 + 5O2 -> 2CO + 4H2O

Question 15

What is the correct balanced equation for the combustion of propanol?

Accepted Answer

C3H7OH + 5O2 → 3CO2 + 4H2O

Answer

C3H7OH + 4O2 → 3CO2 + 3H2O

Answer

C3H7OH + 6O2 → 3CO2 + 5H2O

Answer

C3H7OH + 3O2 → 3CO2 + 3H2O

Question 16

What is the name of the straight chain alkane with five carbon atoms?

Accepted Answer

Pentane

Answer

Methane

Answer

Hexane

Answer

Butane

Question 17

What is the name of the straight chain alkene with three carbon atoms?

Accepted Answer

Propene

Answer

Butene

Answer

Propane

Answer

Hexene

Question 18

Which of the following is a straight chain alcohol?

Accepted Answer

Butanol

Answer

Ethanoic acid

Answer

Acetic acid

Answer

Formic acid

Question 19

What is the product formed when an alcohol and a carboxylic acid react together?

Accepted Answer

Ester

Answer

Alkene

Answer

Enzyme

Answer

Aldehyde

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