Hybridization

Question 1

What is hybridization?

Answer 1

Formation of hybrid orbital by mixing of atomic orbitals.

Question 2

Hybridization is used in formation of ______.

Answer 2

Covalent bonds

Question 3

Hybrid orbital have ______

Answer 3

Different shape and different energies

Question 4

P orbital have _____

Answer 4

3 sub orbitals called px,py and pz

Question 5

sp3 hybridization

Answer 5

Mixing of 1 s orbital and 3 p orbital.

Question 6

How many orbital are obtained in sp3 hybridization?

Answer 6

4 orbitals

Question 7

Shape of sp3 hybridized orbitals

Answer 7

Tetrahedral shaped

Question 8

Angle of sp3 hybridized orbitals

Answer 8

109.5 degree

Question 9

sp2 hybridization

Answer 9

Mixing of 1 s orbital and 2 p orbital.

Question 10

How many orbital are obtained in sp2 hybridization?

Answer 10

3 hybridized orbitals

Question 11

Shape of sp2 hybridized orbitals

Answer 11

Trigonal planar (triangular planar)

Question 12

Angle of sp2 hybridized orbitals

Answer 12

120 degree

Question 13

sp hybridization

Answer 13

Mixing of 1 s orbital and 1 p orbital.

Question 14

How many orbital are obtained in sp hybridization?

Answer 14

2 hybridized orbitals

Question 15

Shape of sp hybridized orbitals

Answer 15

Linear

Question 16

Angle of sp hybridized orbitals

Answer 16

180 degree

Question 17

If the molecule have 3 electron domain, it has sp3 hybridization.True or False?

Answer 17

False
It has sp2 hybridization (3 hybridized orbitals)

Question 18

What are sigma bond and pi bonds?

Answer 18

Types of covalent bonds Formed by overlapping of atomic orbitals.

Question 19

How sigma bonds are formed?

Answer 19

Orbitals are overlap by end to ends (s & s), (s & p),(p & p)

Question 20

How pi bonds are formed?

Answer 20

Orbitals are overlap by side by side (s & s), (s & p),(p & p)

Question 21

Which bond is stronger; sigma bond or pi bond?

Answer 21

Sigma bond are stronger

Question 22

Which bond can rotate; sigma bond or pi bond?

Answer 22

Sigma bonds are free to rotation
(pi bonds are restrict)

Question 23

Sigma bonds can formed _____ & ______

Answer 23

Single bonds

Question 24

Pi bonds can formed _____ & ______

Answer 24

Double bonds
Triple bonds

Question 25

Sigma bonds can formed double bonds. True or False?

Answer 25

False only pi bonds in double bonds

Question 26

What type of bond is in single bond?

Answer 26

Only one sigma bond

Question 27

What types of bond are in double bond?

Answer 27

1 sigma bond & 1 pi bond

Question 28

What types of bond are in triple bond?

Answer 28

1 sigma bond & 2 pi bond

Question 29

What are resonance structure?

Answer 29

The molecule that can have more than one Lewis structure (becasue of the movement of electrons from double bonds & triple bonds)

Question 30

What is true structure of resonanace?

Answer 30

Average of resonance structure (also known as resonance hybrid)

Question 31

Bond order of single bond

Answer 31

1

Question 32

Bond order of double bonds

Answer 32

2

Question 33

Bond order of triple bond

Answer 33

3

Question 34

Bond order of resonance bond

Answer 34

Fractional value (Number of single bond/electron domain)

Question 35

What is formal charge?

Answer 35

Measure to determine the most stable structure of the molecule

Question 36

Which type of molecule have the most stable structure according to formal charge?

Answer 36

1) Atoms having lowest formal charge (closest to zero) 2) Negative formal charge value on electronegative atoms

Question 37

Formula for formal charge

Answer 37

FC=V-(1/2B+L) V=valence electrons B=number of bonded electrons L=number of lone pair