Filters
Question type
Study Flashcards

What is geometry around the carbon atom labeled C2?


A) bent
B) tetrahedral
C) trigonal planar
D) trigonal pyramidal

Correct Answer

verifed

verified

Which drawing represents the molecular orbital containing the highest energy electrons in the F2 molecule in its ground state?


A)
Which drawing represents the molecular orbital containing the highest energy electrons in the F<sub>2</sub> molecule in its ground state? A) B) C) D)
B)
Which drawing represents the molecular orbital containing the highest energy electrons in the F<sub>2</sub> molecule in its ground state? A) B) C) D)
C)
Which drawing represents the molecular orbital containing the highest energy electrons in the F<sub>2</sub> molecule in its ground state? A) B) C) D)
D)
Which drawing represents the molecular orbital containing the highest energy electrons in the F<sub>2</sub> molecule in its ground state? A) B) C) D)

Correct Answer

verifed

verified

If an electron is added to H2 it would go into a


A) σ molecular orbital and strengthen the H-H bond.
B) σ molecular orbital and weaken the H-H bond.
C) σ* molecular orbital and strengthen the H-H bond.
D) σ* molecular orbital and weaken the H-H bond.

Correct Answer

verifed

verified

What is the geometry around the central atom in the following molecular model of PH3? What is the geometry around the central atom in the following molecular model of PH<sub>3</sub>? A) linear B) bent C) trigonal pyramidal D) tetrahedral


A) linear
B) bent
C) trigonal pyramidal
D) tetrahedral

Correct Answer

verifed

verified

What is the hybridization of the nitrogen atom?


A) sp
B) sp2
C) sp3
D) sp4

Correct Answer

verifed

verified

Electrostatic potential maps use color to portray the calculated electron distribution in a molecule.Atoms that are electron poor and carry a δ+ charge are shown in blue.Atoms that are electron rich and carry a δ- charge are shown in red.Atoms with little or no charge are shown in green.The electrostatic potential map of H2O below should show Electrostatic potential maps use color to portray the calculated electron distribution in a molecule.Atoms that are electron poor and carry a δ+ charge are shown in blue.Atoms that are electron rich and carry a δ- charge are shown in red.Atoms with little or no charge are shown in green.The electrostatic potential map of H<sub>2</sub>O below should show A) H blue and O red. B) H blue and O green. C) H green and O blue. D) H red and O blue.


A) H blue and O red.
B) H blue and O green.
C) H green and O blue.
D) H red and O blue.

Correct Answer

verifed

verified

Which of the following should be nonlinear? Which of the following should be nonlinear? A) only I B) only II C) only III D) II and III


A) only I
B) only II
C) only III
D) II and III

Correct Answer

verifed

verified

What orbital hybridization is expected for the central atom in a molecule with a trigonal planar geometry?


A) sp
B) sp2
C) sp3
D) sp4

Correct Answer

verifed

verified

Which molecule has a central atom that uses the set of hybrid orbitals shown below to form bonds with the non-central atoms? Which molecule has a central atom that uses the set of hybrid orbitals shown below to form bonds with the non-central atoms? A) H<sub>2</sub>O B) CO<sub>2</sub> C) NO<sub>2</sub><sup>-</sup> D) ICl<sub>2</sub><sup>-</sup>


A) H2O
B) CO2
C) NO2-
D) ICl2-

Correct Answer

verifed

verified

Which orbital hybridization is associated with a tetrahedral cloud arrangement?


A) sp
B) sp2
C) sp3
D) sp4

Correct Answer

verifed

verified

What geometric arrangement of charge clouds is expected for an atom that has five charge clouds?


A) tetrahedral
B) square planar
C) trigonal bipyramidal
D) octahedral

Correct Answer

verifed

verified

What is the geometry around the central atom in the following molecular model of H3O+? What is the geometry around the central atom in the following molecular model of H<sub>3</sub>O<sup>+</sup>? A) linear B) bent C) trigonal pyramidal D) tetrahedral


A) linear
B) bent
C) trigonal pyramidal
D) tetrahedral

Correct Answer

verifed

verified

Which type of bond produces a charge cloud with a nodal plane containing the bond axis?


A) σ
B) π
C) σ and π
D) neither σ nor π

Correct Answer

verifed

verified

Which is the best description of the bonding in NO3-?


A) 3 N-O σ bonds and no N-O π bonds
B) 3 N-O σ bonds and 3 N-O π bonds
C) no N-O σ bonds and delocalized N-O π molecular orbitals extending over all four atoms
D) 3 N-O σ bonds and delocalized N-O π molecular orbitals extending over all four atoms

Correct Answer

verifed

verified

The bonds in the polyatomic ion CO32- are classified as


A) ionic.
B) metallic.
C) nonpolar covalent.
D) polar covalent.

Correct Answer

verifed

verified

Use the following MO diagram for Be2,Be2+,and Be2-.Based on this diagram, Use the following MO diagram for Be<sub>2</sub>,Be<sub>2</sub><sup>+</sup>,and Be<sub>2</sub><sup>-</sup>.Based on this diagram, A) Be<sub>2</sub><sup>+</sup> is more stable than Be<sub>2</sub>,and Be<sub>2</sub> is more stable than Be<sub>2</sub><sup>-</sup>. B) Be<sub>2</sub><sup>-</sup> is more stable than Be<sub>2</sub>,and Be<sub>2</sub> is more stable than Be<sub>2</sub><sup>+</sup>. C) Be<sub>2</sub><sup>+</sup> and Be<sub>2</sub><sup>-</sup> are both more stable than Be<sub>2</sub>. D) Be<sub>2</sub> is more stable than either Be<sub>2</sub><sup>+</sup> or Be<sub>2</sub><sup>-</sup>.


A) Be2+ is more stable than Be2,and Be2 is more stable than Be2-.
B) Be2- is more stable than Be2,and Be2 is more stable than Be2+.
C) Be2+ and Be2- are both more stable than Be2.
D) Be2 is more stable than either Be2+ or Be2-.

Correct Answer

verifed

verified

What are the bond angles in the following molecular model of SCl4? What are the bond angles in the following molecular model of SCl<sub>4</sub>? A) some less than 90° and one less than 180° B) 90° and 180° C) some less than 90° one less than 120° but greater than 90°,and one less than 180° but greater than 120° D) 90°,120°,and 180°


A) some less than 90° and one less than 180°
B) 90° and 180°
C) some less than 90° one less than 120° but greater than 90°,and one less than 180° but greater than 120°
D) 90°,120°,and 180°

Correct Answer

verifed

verified

Of NH4+ and NH4- the one with the smaller bond angles is ________.

Correct Answer

verifed

verified

The dipole moment of ClF is 0.88 D,and its bond length is 163 pm.What is the percent ionic character of the Cl-F bond?


A) 0.54%
B) 7.8%
C) 11%
D) 25%

Correct Answer

verifed

verified

Arrange in order from the smallest to the largest bond angle: CCl3+,NF3,NH4+,XeBr4.


A) CCl3+,NF3,NH4+,XeBr4
B) NF3,NH4+,XeBr4,CCl3+
C) XeBr4,NH4+,NF3,CCl3+
D) XeBr4,NF3,NH4+,CCl3+

Correct Answer

verifed

verified

Showing 61 - 80 of 205

Related Exams

Exam 1

Chemical Tools: Experimentation and Measurement

154 Questions

Exam 2

Atoms, molecules, and Ions

275 Questions

Exam 3

Mass Relationships in Chemical Reactions

159 Questions

Exam 4

Reactions in Aqueous Solutions

211 Questions

Exam 5

Periodicity and the Electronic Structure of Atoms

168 Questions

Exam 6

Ionic Compounds: Periodic Trends and Bonding

138 Questions

Exam 7

Covalent Bonding and Electron-Dot Structures

92 Questions

Exam 9

Thermochemistry: Chemical Energy

170 Questions

Exam 10

Gases: Their Properties and Behavior

188 Questions

Exam 11

Liquids, solids, and Phase Changes

141 Questions

Exam 12

Solutions and Their Properties

198 Questions

Exam 13

Chemical Kinetics

190 Questions

Exam 14

Chemical Equilibrium

171 Questions

Exam 15

Aqueous Equilibria: Acids and Bases

231 Questions

Exam 16

Applications of Aqueous Equilibria

201 Questions

Exam 17

Thermodynamics: Entropy, free Energy, and Equilibrium

150 Questions

Exam 18

Electrochemistry

212 Questions

Exam 19

Nuclear Chemistry

176 Questions

Exam 20

Transition Elements and Coordination Chemistry

190 Questions

Exam 21

Metals and Solid-State Materials

154 Questions

Exam 22

The Main-Group Elements

294 Questions

Exam 23

Connections to Organic and Biological Chemistry

290 Questions

Show Answer