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Chapter 6: Q. 6.66 (page 196)

Which electronegativity difference (a, b, or c) would you expect for a polar covalent bond?

(a) 0.0to 0.4

(b)0.5to1.8

(c)1.9to3.3

Short Answer

Expert verified

Option (b), 0.5to 1.8is correct option.

Step by step solution

01

Given Information

We are given three options with different electronegativity. we need to find which will form polar covalent bond.

(a) from 0.0to 0.4

(b) from 0.5to1.8

(c) from 1.9to3.3

02

Explanation

When electronegativity difference is between 0.0to 0.4, the electrons are considered to be shared equally leading to formation of non polar covalent bond. As electronegativity difference increases shared electrons are more attracted towards electronegative atom which increases polarity.

So electronegativity difference between 0.5to 1.8leads to formation of polar covalent bond.

Option (b) satisfies condition for formation of polar covalent bond.

Hence, option (b) is correct option.

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Most popular questions from this chapter

Complete the following table with the formula and the name of the compound that forms between each pair of ions :

Write the name for the following:

a. K+

b. Na+

c. Ba2+

d.Cl-

Consider the following bonds :FandCl,ClandCl,CsandCl,OandCl,CaandCl.

(a) Which bonds are polar covalent ?

(b) Which bonds are non polar covalent ?

(c) Which bonds are ionic?

(d) Arrange the covalent bonds in order of decreasing polarity.

Describe the trend in electronegativity as increases or decreases for each of the following:

(a) from B to F

(b) from Mg to Ba

(c) from F to I

Using each of the following electron arrangements, give the formulas for the cation and anion that form, the formula for the compound they form, and its name.
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