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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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