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Electronegativity

Hanny - smyth...

Question

Hanny - smith formula for calculating the percentage of ionic character is

16(x_A - x _B) - 3.5 (x_A - x_B)²

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16(x_A - x _B) + 3.5 (x_A - x_B)²

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16(x_A - x _B)² - 3.5 (x_A - x_B)

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16(x_A - x _B)² + 3.5 (x_A - x_B)²

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Solution

The correct option is A
Hannay- Smith formula:

$x = 16 (x_{A} - x_{B}) + 3.5 (x_{A} - x_{B})^{2}$
Where $x$ is the percentage of ionic character in the $A - B$ bond.
And, $x_{A}$ and $x_{B}$ are the electronegativities of atoms $A$ and $B$ respectively.

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