Chemistry Theories of Covalent Bonding and Shapes of Molecules Mcqs Test Online

Please wait...

• <<
• 1
• 2
• 3
• 4
• 5
• 6
• 7
• 8
• 9
• 10
• >>

 0%

Question 1 of 10

Chemistry

1. Greater the dipole moment

None

Greater is the ionic nature

Lesser is the polarity

Smaller is the ionic nature

Question 1 of 10

Question 2 of 10

2. The percentage of ionic character of bond between two atoms is calculated from the difference between their

Electron affinities

Electron negativities

Ionic

Ionization energies

Question 2 of 10

Question 3 of 10

3. The geometry of PF₅ molecules is

Tetrahederal

Trigonal bipyramidal

Square planar

Planar

Question 3 of 10

Question 4 of 10

4. In the formulation of N₂⁺ from N₂, the electron is removed from

σ pz orbital

π*₂p orbital

π₂p orbital

σ px orbital

Question 4 of 10

Question 5 of 10

5. According to VESPR theory, the most probable shape of the molecule having 4 electron pairs around the central atom is

Tetragonal

Linear

Octahedral

Hexagonal

Question 5 of 10

Question 6 of 10

6. H–O–H bond angle in H₂O is 104.5° and not 109.28° because of

Lone pair – bond pair repulsion

Lone pair – lone pair repulsion

Bond pair – bond pair repulsion

High electronegativity of oxygen

Question 6 of 10

Question 7 of 10

7. Sp³ hybridization is important in describing the bonding in:

AgCl

CCl₄

H₃O⁺

NH₄⁺

Question 7 of 10

Question 8 of 10

8. A diatomic molecule has a dipole moment of 1.2 D. If its bond distance is 1.0A°. What fraction of electric change ‘e’ exsits on each atom?

25% of e

30% of e

18% of e

12% of e

Question 8 of 10

Question 9 of 10

9. The bond energies of F₂, Cl₂, Br₂, and I₂ are 37, 58, 46 and 36k Cals, respectively. The strongest bond formed is in:

F₂

Br₂

I₂

Cl₂

Question 9 of 10

Question 10 of 10

10. Which is not characteristic of π bond?

π bond are formed from hybrid sp orbitals

π bond is formed when a sigma bond already exist

π bond results from lateral overlap of atomic orbitals.

π bond may be formed by the overlapping of p and /or d-orbitals.

Question 10 of 10

 Loading...

 

Other Related test

• Punjab 9th Class English Model Paper 5 MCQs Test Online
• Punjab 9th Class Math Chapter 7 Linear Equations & Inequalities Mcqs Test Online
• Punjab 10th Class Chemistry Chapter 5 Biochemistry Mcqs Test Online
• Punjab 11th Class Math Chapter 14 Solutions of Trigonometric Equations Mcqs Test Online
• Punjab 11th Class Computer Science Chapter 1 Overview of Computer Systems Mcqs Test Online
• Punjab 11th Class Math Chapter 7 Permutation, Combination and Probability Mcqs Test Online
• Punjab 11th Class Computer Science Chapter 3 Central Processing Unit Mcqs Test Online
• Punjab 10th Class Physics Chapter 9 Atomic and Nuclear Physics Mcqs Test Online
• Punjab 9th Class English Chapter 8 Stopping by Woods on a Snowy Evening Mcqs Test Online
• Punjab 9th Class Chemistry Chapter 1 Fundamentals of Chemistry Mcqs Test Online