Bonding And Molecular Structure

36 Questions | By HLancaster | Updated: Mar 20, 2022 | Attempts: 235

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Bonding And Molecular Structure - Quiz

Questions and Answers

1.

VSEPR predicts an , molecule will be which of the following shapes?
- A.
  
  Tetrahedral
- B.
  
  Trigonal Bipyramidal
- C.
  
  Square Pyramid
- D.
  
  Trigonal Planar
2.

The shortest bond would be present in which of the following substance?
- A.
  
  I2
- B.
  
  CO
- C.
  
  CCl4
- D.
  
  O2 (2-)
3.

Which of the following does not have one or more bonds?
- A.
  
  H2O
- B.
  
  HNO3
- C.
  
  O2
- D.
  
  N2
4.

Which of the following is polar?
- A.
  
  SF4
- B.
  
  XeF4
- C.
  
  CF4
- D.
  
  SbF5
5.

Resonance structures are necessary to describe the bonding in which of the following?H2O
- A.
  
  H2O
- B.
  
  ClF3
- C.
  
  HNO3
- D.
  
  CH4
6.

An explanation of the equivalent bond lengths of the nitrite ion is:
- A.
  
  Ionic bonds
- B.
  
  Hybrid orbitals
- C.
  
  Resonance structures
- D.
  
  Van der Waals attractions
7.

Most organic substances have low melting points. This may be because, in most cases, the intermolecular forces are:
- A.
  
  Ionic bonds
- B.
  
  Hybrid orbitals
- C.
  
  Resonance structures
- D.
  
  Van der Waals attractions
8.

Which of the following has more than one unshared pair of valence electrons on the central atom?
- A.
  
  BrF5
- B.
  
  NF3
- C.
  
  IF7
- D.
  
  ClF3
9.

What is the expected hybridization of the central atom in a molecule of TiCl4? This molecule is tetrahedral.
- A.
  
  Sp3
- B.
  
  Sp3d
- C.
  
  Sp
- D.
  
  Sp2
10.

The only substance listed below that contains ionc, sigma, and pi bonds is:
- A.
  
  Na2CO3
- B.
  
  HClO2
- C.
  
  H2O
- D.
  
  NaCl
11.

The electron pairs point toard the corners of which geometrical shape for a molecule with spy hybrid orbitals?
- A.
  
  Trigonal planar
- B.
  
  Octahedron
- C.
  
  Trigonal bipyramid
- D.
  
  Trigonal pyramid
12.

Regular tetrahedral molecules or ions include which of the following?
- A.
  
  SF4
- B.
  
  NH4+
- C.
  
  XeF4
- D.
  
  ICl4-
13.

Which molecule or ion in the following list has the greatest number of unshared electrons around the central atom?
- A.
  
  CF4
- B.
  
  ClF3
- C.
  
  BF3
- D.
  
  NH4+
14.

Which of the following molecules is the most polar?
- A.
  
  NH3
- B.
  
  N2
- C.
  
  CH3I
- D.
  
  BF3
15.

Which of the following molecules is the least polar?
- A.
  
  PH3
- B.
  
  CH4
- C.
  
  H2)
- D.
  
  NO2
16.

Which of the following processes involves breaking an ionic bond?
- A.
  
  H2(g) + Cl2(g) --> 2HCl
- B.
  
  2KBr(s) --> 2K(g) + Br2(g)
- C.
  
  Na(s) --> Na(g)
- D.
  
  2C2H6(g) + 7O2 --> 4CO2() + 6H2O(g)
17.

Compounds are ___ substances that have a fixed proportion of elements.
18.

____ react with ____ to form ionic bonds, and ____ react with other ____ to form covalent bonds.
19.

Please fill answer below
20.

The Lewis electron-dot structure is a way of representing an element and its valence electrons.
- A.
  
  True
- B.
  
  False
21.

Atoms tend to ____, ____, or ____ electrons to achieve the same electronic configuration as the nearest noble gas.
22.

Atoms are generally the least stable when they have a complete octet (eight electrons).
- A.
  
  True
- B.
  
  False
23.

Ionic bonds result when a metal loses electrons to form ____ and a nonmetal gains those electrons to form an ____.
24.

Ionic bonds can also result from the interaction of polyatomic ions.
- A.
  
  True
- B.
  
  False
25.

The attraction of the opposite charges (anions and cations) forms the ____ bonds.