11th Chemistry Weekly Test - 4 ( Chemical bonding )

MABS Institution

11th Chemistry Weekly Test - 4 ( Chemical bonding )-Aug 2020

Time : 1.30 Hours

Part - A

Generic 3 - Answer All Question

Explain about the molecular orbital diagram of hydrogen molecule.

Draw and explain the M.O. diagram of Boron molecule

Write the resonance structure for SO₃' NO₂ and NO₃^-

Draw the shape of
(i) XeF₂
(ii) IOF₅
(iil) XeOF₄

What are the main postulates of Valence Shell Electron Pair Repulsion (VSEPR) theory?

(i) Calculate the bond order of H₂ and B₂
(ii) Show how the bond order is related to stability and bond length of the molecule.

Apart from tetrahedral geometry, another possible geometry for CH₄ is square planar with four H atoms at the corners of the square and C atom at its centre. Explain why CH₄ is not square planar?

What are Lewis structures? Write the Lewis structure of H₂, BeF₂ and H₂O.

Write Lewis symbols for the following atoms and ions: S and S^2--;Al and Al³⁺; Hand H^-

Answer briefly,
(i) Arrange the following compounds as per their increasing covalent character and give reason. MgCI₂, NaCI, AICI₃
(ii) NaCI is less covalent than LiCI- Justify.
(ill) Compare the covalency of CuCI and NaCI

Comment

Add Comment

InstaQB

Institutions

12th Standard English Medium

12th Standard Tamil Medium

11th Standard English Medium

11th Standard Tamil Medium

10th Standard English Medium

9th Standard English Medium

8th Standard English Medium

7th Standard English Medium

Class XII

Class XI

12Th Standard

11Th Standard

10Th Standard

9Th Standard

11th Chemistry Weekly Test - 4 ( Chemical bonding )

MABS Institution

11th Chemistry Weekly Test - 4 ( Chemical bonding )-Aug 2020

Part - A

Generic 3 - Answer All Question

Explain about the molecular orbital diagram of hydrogen molecule.

Draw and explain the M.O. diagram of Boron molecule

Write the resonance structure for SO3' NO2 and NO3-

Draw the shape of (i) XeF2 (ii) IOF5 (iil) XeOF4

What are the main postulates of Valence Shell Electron Pair Repulsion (VSEPR) theory?

(i) Calculate the bond order of H2 and B2 (ii) Show how the bond order is related to stability and bond length of the molecule.

Apart from tetrahedral geometry, another possible geometry for CH4 is square planar with four H atoms at the corners of the square and C atom at its centre. Explain why CH4 is not square planar?

What are Lewis structures? Write the Lewis structure of H2, BeF2 and H2O.

Write Lewis symbols for the following atoms and ions: S and S2--;Al and Al3+; Hand H-

Answer briefly, (i) Arrange the following compounds as per their increasing covalent character and give reason. MgCI2, NaCI, AICI3 (ii) NaCI is less covalent than LiCI- Justify. (ill) Compare the covalency of CuCI and NaCI

Comment

Other Study material

11th Chemistry Monthly Test - 3 ( Solutions )

11th Chemistry Monthly Test - 4 ( Environmental Ch

11th Chemistry Weekly Test - 2 ( Chemical bonding

11th Chemistry Weekly Test - 1 ( Chemical bonding

11th Chemistry Monthly Test - 4 ( Solutions )

11th Chemistry Weekly Test - 4 ( Physical and Chem

11th Chemistry Monthly Test - 1 ( Physical and Che

11th Chemistry Monthly Test - 2 ( Physical and Che

11th Chemistry Monthly Test - 3 ( Physical and Che

11th Chemistry Monthly Test - 4 ( Physical and Che

11th Chemistry Weekly Test - 1 ( Solutions )

11th Chemistry Weekly Test - 2 ( Solutions )

11th Chemistry Weekly Test - 3 ( Solutions )

11th Chemistry Weekly Test - 4 ( Solutions )

11th Chemistry Monthly Test - 1 ( Solutions )

Tamilnadu Stateboardszs - Class

Write the resonance structure for SO₃' NO₂ and NO₃^-

Draw the shape of
(i) XeF₂
(ii) IOF₅
(iil) XeOF₄

(i) Calculate the bond order of H₂ and B₂
(ii) Show how the bond order is related to stability and bond length of the molecule.

Apart from tetrahedral geometry, another possible geometry for CH₄ is square planar with four H atoms at the corners of the square and C atom at its centre. Explain why CH₄ is not square planar?

What are Lewis structures? Write the Lewis structure of H₂, BeF₂ and H₂O.

Write Lewis symbols for the following atoms and ions: S and S^2--;Al and Al³⁺; Hand H^-

Answer briefly,
(i) Arrange the following compounds as per their increasing covalent character and give reason. MgCI₂, NaCI, AICI₃
(ii) NaCI is less covalent than LiCI- Justify.
(ill) Compare the covalency of CuCI and NaCI