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Chapter 9: Q9.87CP (page 376)

Which of the bonds in the Problem 9.85 is the least polar?

Short Answer

Expert verified

The Si-F bond is least polar bond.

Step by step solution

01

Bond Polarity

Polarity of a bond decreases as the electronegativity difference between the atoms decreases.

The electronegativity difference in Hg-I bond is(2.2鈭�1.5)=0.7

The electronegativity difference in P - I bond is(2.2鈭�1.8)=0.4

The electronegativity difference in Si- F bond is(2.2鈭�2.1)=0.1

The electronegativity difference in Mg 鈥揘 bond is(3.1鈭�1.3)=1.8

02

Least polar bond 

The electronegativity difference in Si-F bond is minimum among the four at = (2.2-2.1) = 0.1

The Si-F bond is least polar bond.

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Most popular questions from this chapter

Briefly account for the following relative values:

(a) The melting points of Na and K are 89oCand 63oC , respectively.

(b) The melting points of Li and Be are 180oC and 1287oC , respectively.

(c) Li boils more than 1100oChigher than it melts.

Using the periodic table only, arrange the elements in each set-in order of decreasing EN:

(a) N, P, Si;

(b) Ca, Ga, As.

Magnesium metal is easily deformed by an applied force, whereas magnesium fluoride is shattered. Why do these two solids behave so differently?

Which is the more polar bond in each of the following pairs from Problem 9.62: (a) or (b); (c) or (d); (e) or (f)?

Linear, triatomic CO2vibrates by symmetric stretch, bend, and asymmetric stretch with frequencies of 4.02脳1013s-1, 2.00脳1013s-1and鈥�7.05脳1013s-1 respectively.

  1. In what region of the electromagnetic spectrum are these frequencies?
  2. calculate the energy (in J) of each vibration. Which takes the least energy?
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