Multiple Choice
According to valence-bond theory,the bonding in ketene,H2CCO,is best described as
A) five π bonds.
B) three σ bonds and two π bonds.
C) four σ bonds and two π bonds.
D) four σ bonds and one π bond.
E) five σ bonds.
Correct Answer:
Verified
Correct Answer:
Verified
Q63: The molecular geometry of the CH<sub>3</sub><sup>+</sup> ion
Q64: Which molecule or ion does not have
Q65: What is the molecular geometry of the
Q66: If four orbitals on one atom overlap
Q67: What is the molecular geometry of the
Q69: In the molecular orbital description of CO,<br>A)six
Q70: Which molecule or ion has a trigonal
Q71: Which molecule or ion is nonlinear?<br>A)N<sub>2</sub>O<br>B)O<sub>3</sub><br>C)OCN<sup>-</sup><br>D)NO<sub>2</sub><sup>+</sup><br>E)CS<sub>2</sub>
Q72: The approximate H-C-H bond angle in CH<sub>3</sub><sup>+</sup>
Q73: The configuration (σ<sub>2s</sub>)<sup>2</sup>(σ<sub>2s</sub>*)<sup>2</sup>(π<sub>2py</sub>)<sup>1</sup>(π<sub>2px</sub>)<sup>1</sup> is the molecular orbital