Chpt 11

Which of these molecules is linear?

• BeF₂

• SO₂

• NO₂⁻

• OCl₂

• H₂O

Predict the bond angles for SO₃.

• 180°

• 109.5°

• 120°

• 90°

• 105°

Determine the molecular geometry for PH₃.

• linear

• bent

• trigonal planar

• trigonal pyramidal

• tetrahedral

Draw the Lewis structure of carbon disulfide and select the correct description.

• C is the central atom; two single bonds, and eight lone pairs.

• C is the central atom; one single bond, one  triple bond, and six lone pairs.

• C is the central atom; two double bonds, and four lone pairs.

• S is the central atom; one  single bond, one  triple bond, and six lone pairs.

• S is the central atom; two single bonds, and eight lone pairs.

Draw Lewis structures of these molecules and select the one that has only single bonds.

• N₂H₂

• C₂Cl₄

• CH₃SH

• C₂H₄