When the polarity of bond $A - B$ is $^{''} Δ^{''}$ expressed in SI units, the relationship between their electronegativity difference is:

X_{A} - X_{B} = 0.1017 Δ

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X_{A} - X_{B} = \sqrt{0.208} Δ

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X_{A} - X_{B} = \sqrt{0.2017} Δ

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X_{A} - X_{B} = \sqrt{0.1017} Δ

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Solution

The correct option is A $X_{A} - X_{B} = 0.1017 Δ$
$△ E \times 9.83 =$ Polarity of bond (SI unit)
$∴ △ E = \frac{1}{9.83} △$
$∴ X_{A} - X_{B} = 0.1017 △$

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