5.2 VSEPR Theory Mastery Check

The compound COCl₂ has a molecular shape and bond angle of —

• a. tetrahedral and 109.5°.

• b. trigonal pyramidal and 109.5°.

• c. trigonal planar and 109.5°.

• d. trigonal planar and 120°.

When drawn correctly, HCN contains around the central atom —

• two double bonds and zero lone pairs.

• two single bonds and two lone pairs.

• two single bonds and two lone pairs.

• one single bond, one triple bond, and zero lone pairs.

Which of these correctly describes the features of a molecule with tetrahedral molecular geometry?

• Four bonded atoms around a central atom, zero lone pairs

• Two bonded atoms around a central atom, one lone pair

• Three bonded atoms around a central atom, zero lone pairs

• Three bonded atoms around a central atom, one lone pair

Which of these correctly describes the features of a molecule with linear molecular geometry?

• Two bonded atoms around a central atom; one lone pair.

• Three bonded atoms around a central atom; one lone pair.

• Three bonded atoms around a central atom; zero lone pairs.

• Two bonded atoms around a central atom; zero lone pairs

When water's Lewis structure is drawn and its VSEPR shape considered, which of the following BEST describes the bond angles in the molecule?

• Exactly 109.5°

• Somewhat less than 109.5°

• Somewhat more than 109.5°

• Somewhat less than 120°

Which VSEPR diagram is a tetrahedral?

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• 
• 
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• 

Carbon dioxide has a molecular geometry and bond angle of —

• trigonal pyramidal and less than 109.5°

• tetrahedral and 109.5°

• bent and less than 109.5°

• linear and 180°

When the Lewis structure for nitrogen gas is drawn, the bond between the two nitrogen atoms is —

• a. a double bond.

• b. a single bond.

• c. a triple bond.

• d. a polar bond.

The polyatomic ion H3O+ has a molecular shape and bond angle of —

• trigonal planar and 120°.

• trigonal pyramidal and 109.5°.

• trigonal planar and 109.5°.

• tetrahedral and 109.5°.

When drawn correctly, NOF contains around the central atom —

• two single bonds and two lone pairs.

• two double bonds and zero lone pairs.

• two single bonds and one lone pair.

• one single bond, one double bond, and one lone pair.

Tags

NGSS.HS-PS1-1