Understanding SP2 Hybridization and Bonding

What is the main difference between SP2 and SP3 hybridization?

• SP2 involves only p orbitals, while SP3 involves s and p orbitals.

• SP2 involves one s and one p orbital, while SP3 involves one s and two p orbitals.

• SP2 involves one s and two p orbitals, while SP3 involves one s and three p orbitals.

• SP2 involves one s and three p orbitals, while SP3 involves one s and two p orbitals.

What percentage of s character do SP2 hybrid orbitals have?

• 33%

• 50%

• 67%

• 25%

How are SP2 hybrid orbitals arranged spatially?

• They are 180° apart in a linear arrangement.

• They are 120° apart in a trigonal planar arrangement.

• They are 109.5° apart in a tetrahedral arrangement.

• They are 90° apart in a square planar arrangement.

In ethylene (C2H4), what type of bond is formed between the two carbon atoms?

• A single sigma bond

• A double bond consisting of one sigma and one pi bond

• A triple bond

• A double pi bond

What is the role of the unhybridized p orbital in SP2 hybridization?

• It forms a sigma bond with another atom.

• It remains inactive and does not participate in bonding.

• It forms a pi bond with another p orbital.

• It forms a double bond with an s orbital.

What is a sigma bond?

• A bond formed by the head-on overlap of orbitals.

• A bond formed by the sideways overlap of p orbitals.

• A bond formed by the overlap of f orbitals.

• A bond formed by the overlap of d orbitals.

Which type of bond is responsible for the rigidity of double bonds?

• Triple bond

• Pi bond

• Hydrogen bond

• Sigma bond

What is the main characteristic of a pi bond?

• It is formed by the head-on overlap of orbitals.

• It is formed by the overlap of d orbitals.

• It is formed by the sideways overlap of p orbitals.

• It is formed by the overlap of s orbitals.

In a double bond, how many sigma and pi bonds are present?

• One sigma bond and two pi bonds

• Two pi bonds

• One sigma bond and one pi bond

• Two sigma bonds

Which orbitals are capable of forming pi bonds?

• s orbitals

• p orbitals

• d orbitals

• f orbitals