Valence Bond Theory Quiz

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Questions and Answers

In valence bond theory, a covalent bond is formed by:

Attraction between opposite charges
Transfer of electrons between atoms
Overlap of atomic orbitals (correct)
Sharing of ionic charges

The concept of hybridization in valence bond theory is used to explain:

The arrangement of electrons in atoms
The formation of ionic bonds
The shapes of molecules (correct)
The transfer of electrons between atoms

According to valence bond theory, the term 'resonance' is used to describe:

The transfer of electrons between atoms
The delocalization of electrons in molecules (correct)
The formation of ionic bonds
The repulsion between same charges

What are some applications of ray optics and optical instruments?

Applications include cameras, microscopes, telescopes, and fiber optics for telecommunications. Signup and view all the answers

Explain the difference between reflection and refraction in the context of ray optics.

Reflection is the bouncing back of light when it strikes a surface, while refraction is the bending of light as it passes from one medium to another. Signup and view all the answers

How do optical instruments use lenses and mirrors to manipulate light?

Lenses and mirrors are used to focus, magnify, or reduce the size of objects, as well as to correct vision problems in eyeglasses and contact lenses. Signup and view all the answers

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