VSEPR Theory Quiz

What is the molecular geometry of a molecule with two bonding pairs and no lone pairs of electrons?

• Tetrahedral

• Trigonal planar

• Linear

• Octahedral

Draw the electron dot structure for a molecule with a linear molecular geometry.

• The correct electron dot structure for a molecule with a linear molecular geometry is a triangle

• The correct electron dot structure for a molecule with a linear molecular geometry is a square

• The correct electron dot structure for a molecule with a linear molecular geometry is a straight line with the atoms at each end and the valence electrons distributed around each atom.

• The correct electron dot structure for a molecule with a linear molecular geometry is a circle

What is the molecular geometry of a molecule with two bonding pairs and one lone pair of electrons?

• Trigonal Planar

• Tetrahedral

• Linear

• Bent

Explain the VSEPR theory and its application in predicting the molecular geometry of a bent molecule.

• The VSEPR theory predicts the molecular geometry of a bent molecule by considering the size of the central atom.

• The VSEPR theory predicts the molecular geometry of a bent molecule by considering the color of the central atom.

• The VSEPR theory predicts the molecular geometry of a bent molecule by considering the state of matter of the central atom.

• The VSEPR theory predicts the molecular geometry of a bent molecule by considering the arrangement of electron pairs around the central atom.

How many bonding pairs and lone pairs of electrons are present in a molecule with trigonal planar molecular geometry?

• 1 bonding pair and 2 lone pairs

• 3 bonding pairs and 0 lone pairs

• 4 bonding pairs and 1 lone pair

• 2 bonding pairs and 1 lone pair

Draw the electron dot structure for a molecule with a trigonal planar molecular geometry.

• Central atom with four bonding pairs of electrons

• Central atom with three bonding pairs of electrons

• Central atom with two bonding pairs of electrons

• Central atom with five bonding pairs of electrons

What is the molecular geometry of a molecule with three bonding pairs and one lone pair of electrons?

• Tetrahedral

• Linear

• Trigonal pyramidal

• Octahedral

Discuss the VSEPR theory and its role in determining the molecular geometry of a trigonal pyramidal molecule.

• The VSEPR theory is based on the number of protons in the nucleus

• The VSEPR theory is not related to determining molecular geometry

• The VSEPR theory only applies to linear molecules

• The VSEPR theory helps determine the molecular geometry of a trigonal pyramidal molecule by considering the arrangement of electron pairs around the central atom.

How many bonding pairs and lone pairs of electrons are present in a molecule with tetrahedral molecular geometry?

• 2 bonding pairs and 2 lone pairs

• 3 bonding pairs and 1 lone pair

• 5 bonding pairs and 0 lone pairs

• 4 bonding pairs and 0 lone pairs

Select the formula that would have an electron dot structure and tetrahedral molecular geometry.

• CH2F2

• BF3

• H2

• ONF