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Shapes of Molecules MCQ2

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Questions and Answers

What is the primary principle that governs the arrangement of electron pairs around a central atom?

The need to achieve a high degree of symmetry

Electron Pair Repulsion (correct)

The tendency to form polar bonds

The geometric constraint of the central atom

Which of the following types of electron pairs has the strongest repulsion?

Lone pair - bond pair

Lone pair - lone pair (correct)

Bond pair - bond pair

Bond pair - electron in a d-subshell

What is the condition necessary for a molecule with polar bonds to be non-polar overall?

The molecule has a trigonal planar shape

The molecule has only bond pairs

The molecule has a high degree of symmetry (correct)

The molecule has a geometric centre

What is the term for the separated centres of charge in a molecule?

Dipoles Signup and view all the answers

What is the minimum number of atoms required for a tetrahedral shape?

5 Signup and view all the answers

What is the arrangement of electron pairs in a molecule with a high degree of symmetry?

Trigonal Planar Signup and view all the answers

What is the order of repulsion strength between electron pairs in a molecule?

lp : lp > lp : bp > bp : bp Signup and view all the answers

Which of the following shapes can have a molecule with polar bonds but be non-polar overall?

Trigonal Planar Signup and view all the answers

What is the minimum number of atoms required for a V-shaped molecule?

3 Signup and view all the answers

What is the geometric arrangement of electron pairs in a linear molecule?

Electron pairs arrange themselves as far apart as geometrically possible Signup and view all the answers