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Chapter 7: Q103E (page 405)

Is the \({\rm{C}}{{\rm{l}}_{\rm{2}}}{\rm{BBC}}{{\rm{l}}_{\rm{2}}}\)molecule polar or nonpolar?

Short Answer

Expert verified

The molecule \({\rm{C}}{{\rm{l}}_{\rm{2}}}{\rm{BBC}}{{\rm{l}}_{\rm{2}}}\) is nonpolar.

Step by step solution

01

Definition of Concept

Dipole Moment: The separation of two electrical charges opposite in charge is measured by the dipole moment of any compound. It's calculated by multiplying the product of the two charges by the distance between them. The dipole moment is always shown in the direction of negative to positive charge.

The net dipole moment of the compounds determines the polarity of the compounds. A compound is non-polar if its net dipole moment is zero, while it is polar if it has a certain net dipole moment.

02

Find the molecule is polar or nonpolar

It is, in fact,\({\rm{C}}{{\rm{l}}_{\rm{2}}}{\rm{BBC}}{{\rm{l}}_{\rm{2}}}\).

As shown in the figure below, it is trigonal planar around each B atom, and dipoles cancel each other out.

Therefore, it is non-polar.

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Most popular questions from this chapter

Which of the following compounds requires the most energy to convert one mole of the solid into separate ions?

(a) \({{\rm{K}}_{\rm{2}}}{\rm{S}}\)

(b) \({{\rm{K}}_{\rm{2}}}{\rm{O}}\)

(c) \({\rm{CaS}}\)

(d) \({\rm{C}}{{\rm{s}}_{\rm{2}}}{\rm{S}}\)

(e) \({\rm{CaO}}\)

Sodium nitrite, which has been used to preserve bacon and other meats, is an ionic compound. Write the resonance forms of the nitrite ion, \({\rm{NO}}_{\rm{2}}^{\rm{ - }}\).

Draw the Lewis electron dot structures for these molecules, including resonance structures where appropriate:

(a) \({\rm{CS}}_{\rm{3}}^{{\rm{2 - }}}\)

(b) \({\rm{C}}{{\rm{S}}_{\rm{2}}}\)

(c) \({\rm{CS}}\)

(d) predict the molecular shapes for \({\rm{C}}{{\rm{S}}_{\rm{3}}}^{{\rm{2 - }}}\) and \({\rm{C}}{{\rm{S}}_{\rm{2}}}\)and explain how you arrived at your predictions

For which of the following substances is the least energy required to convert one mole of the solid into separate ions?

(a) \({\rm{MgO}}\)

(b) \({\rm{SrO}}\)

(c) \({\rm{KF}}\)

(d) \({\rm{CsF}}\)

(e) \({\rm{Mg}}{{\rm{F}}_{\rm{2}}}\)

Write the Lewis structure for the diatomic molecule \({{\rm{P}}_{\rm{2}}}\), an unstable form of phosphorus found in high temperature phosphorus vapor.
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