molecular geometry 2

molecular geometry

by SYED

Multiple Choice

Write the General Formula

• AX2

• AX3

• AX2E

• AX3E

Multiple Choice

Write the molecular geometry

• LINEAR

• BENT

• TRIGONAL PLANAR

• TETRAHEDRAL

Multiple Choice

Determine the number of bonding pairs and lone pairs of electrons in water molecule.

• A. 1 bonding pair and 1 lone pair

• B. 1 bonding pair and 2 lone pairs

• C. 2 bonding pairs and 1 lone pair

• D. 2 bonding pairs and 2 lone pairs

Multiple Choice

The basic idea and use of VSEPR theory is to

• predict bond angles

• predict electronegativities

• predict dipole moment

• predict bond length

Multiple Choice

How is molecular shape determined?

• A. Shape is determined by the repulsion of the neutrons in the bonded atoms

• B. Shape is determined by the repulsion of the electron pairs in the bonded atoms

• C. Shape is determined by the repulsion of the protons in the bonded atoms

• D. Shape is determined by the repulsion of electrons and protons in the bonded atoms

Multiple Choice

When applying VSEPR theory to predict molecular shape, which of the following do we not need to take into account?

• I. Valence electrons occupying pi bonding orbitals

• II. Valence electrons occupying sigma bonding orbitals

• III. Valence electrons occupying non-bonding orbitals

• I and III

Multiple Choice

XH₃  , a hydride of group 15 has a central atom that occupies the basic geometry of tetrahedral. What is its most probable shape?

• Linear

• Tetrahedral

• Trigonal planar

• Trigonal pyramidal