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Chapter 6: Q. 6.83 (page 203)

The molecule CO2is nonpolar, but CO is a polar molecule. Explain.

Short Answer

Expert verified

Due to electronegativity difference between carbon and oxygen atom CO2 is nonpolar, but CO is a polar molecule.

Step by step solution

01

Given information

We are given CO2 is nonpolar, but CO is a polar molecule

02

Simplify

Because the electronegativities of carbon and oxygen differ from each other, electrons are not shared equally between the two atoms.
However, because CO2geometry is linear, the two bond dipole moments cancel out, leaving no net molecule dipole moment.
The molecule is thus non-polar.

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Most popular questions from this chapter

Consider an ion with the symbol Y3-formed from a representative element.

a. What is the group number of the element?

b. What is the Lewis symbol of the element?

c. If Yis in Period 3, what is the element?

d. What is the formula of the compound formed from Yand

the barium ion?

State the number of protons and electrons in each of the following ions:

a. O2-, used to build biomolecules and water

b. K+, most prevalent positive ion in cells; needed for muscle contraction, nerve impulses

c. I \(^{-}\) , needed for thyroid function

d. \(\mathrm{Na}^{+}\), most prevalent positive ion in extracellular fluid

Identify each of the compounds in problem 6.90 as ionic or molecular.

Write the correct ionic formula for the compound formed between each of the following pairs of ions:

a. P3-and Cl-

b. Ca2+and S2-

c. Li+and S2-

d. Rb+and P3-

e.Cs+and I-

Consider the following Lewis symbols for elements X and Y:

a. What are the group numbers of X and Y?

b. Will a compound of X and Y be ionic or molecular?

c. What ions would be formed by X and Y?

d. What would be the formula of a compound of X and Y?

e. What would be the formula of a compound of X and sulfur?

f. What would be the formula of a compound of Y and chlorine?

g. Is the compound in part f ionic or molecular?
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