Hydridization

Question 1

What is Valence Bond Theory?

Answer 1

A theory that explains how atomic orbitals combine to form covalent bonds.

Question 2

What is hybridization?

Answer 2

The mixing of atomic orbitals to form new hybrid orbitals.

Question 3

True or False: Hybrid orbitals can only be formed from s and p orbitals.

Answer 3

False.

Question 4

What is the purpose of hybridization in Valence Bond Theory?

Answer 4

To explain the geometry and bonding properties of molecules.

Question 5

Fill in the blank: The process of hybridization results in __________ orbitals.

Answer 5

hybrid

Question 6

Name the three types of hybridization based on the number of atomic orbitals mixed.

Answer 6

sp, sp2, sp3

Question 7

What type of hybridization is associated with a linear molecular geometry?

Answer 7

sp hybridization.

Question 8

In sp2 hybridization, how many p orbitals are involved?

Answer 8

One p orbital.

Question 9

True or False: sp3 hybridization results in a tetrahedral geometry.

Answer 9

True.

Question 10

What is the angle between the hybrid orbitals in sp hybridization?

Answer 10

180 degrees.

Question 11

What type of bonds do hybrid orbitals typically form?

Answer 11

Sigma bonds.

Question 12

Fill in the blank: The central atom in CH4 undergoes __________ hybridization.

Answer 12

sp3

Question 13

What is the hybridization of the carbon atom in ethene (C2H4)?

Answer 13

sp2 hybridization.

Question 14

What is the hybridization of the carbon atom in acetylene (C2H2)?

Answer 14

sp hybridization.

Question 15

True or False: Hybridization can result in the formation of pi bonds.

Answer 15

False.

Question 16

What is the shape of a molecule with sp2 hybridization?

Answer 16

Trigonal planar.

Question 17

What determines the type of hybridization that occurs in a molecule?

Answer 17

The number of electron domains around the central atom.

Question 18

Fill in the blank: In sp3 hybridization, the orbitals are arranged in a __________ geometry.

Answer 18

tetrahedral

Question 19

How many hybrid orbitals are formed in sp3 hybridization?

Answer 19

Four hybrid orbitals.

Question 20

What is the bond angle in a trigonal planar shape?

Answer 20

120 degrees.

Question 21

What type of hybridization do molecules with a bent shape typically exhibit?

Answer 21

sp3 hybridization.

Question 22

In which molecular geometry do you find sp hybridization?

Answer 22

Linear geometry.

Question 23

True or False: Hybrid orbitals can only be formed in covalent bonds.

Answer 23

True.

Question 24

What is the main difference between sigma and pi bonds?

Answer 24

Sigma bonds are formed by head-on overlap of orbitals, while pi bonds are formed by side-to-side overlap.

Question 25

What geometry is associated with sp3d hybridization?

Answer 25

Trigonal bipyramidal.

Question 26

What is the hybridization of the nitrogen atom in ammonia (NH3)?

Answer 26

sp3 hybridization.