Quiz on Chemical Bonds in Alkanes and Alkenes

What type of bond is present in alkenes?

• Single bond

• Double bond

• Triple bond

• Ionic bond

What does the Aufbau Principle state?

• Electrons enter the highest available energy level

• Electrons enter the lowest available energy level

• Electrons fill orbitals randomly

• Electrons pair up before occupying new orbitals

What is the sequence used to show the 'building up' of electronic structures?

• The first 18 elements in the periodic table

• The first 36 elements in the periodic table

• The first 10 elements in the periodic table

• The first 50 elements in the periodic table

Which type of orbitals are equalized in energy during hybridization?

• Molecular Orbitals

• Hybrid Orbitals

• Atomic Orbitals

• Ionic Orbitals

What is the main difference in bonding between alkanes and alkenes?

• Alkanes have only sigma (σ) bonds, while alkenes have both sigma (σ) and pi (π) bonds

• Alkanes have only pi (π) bonds, while alkenes have both sigma (σ) and pi (π) bonds

• Alkanes have both sigma (σ) and pi (π) bonds, while alkenes have only sigma (σ) bonds

• Alkanes and alkenes have the same types of bonds

What is the role of p orbitals in pi (π) bonding?

• They overlap head-on

• They overlap sideways

• They do not overlap

• They overlap in a circular manner

Which bonds are responsible for the double bond character in alkenes?

• Only sigma (σ) bonds

• Only pi (π) bonds

• Both sigma (σ) and pi (π) bonds

• No bonds

What type of bond forms when two orbitals overlap along the line drawn through the two nuclei?

• Pi bond

• Ionic bond

• Sigma bond

• Hydrogen bond

What is the molecular formula of propene?

• C2H4

• C3H6

• C4H8

• C5H10

What type of orbitals are involved in the sigma bond formation between carbon and hydrogen in methane?

• s and p orbitals

• s and sp3 orbitals

• p and sp3 orbitals

• s and d orbitals