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Electronegativity

If electroneg...

Question

If electronegativity values of element $X$ and $Y$ are 3.8 and 1.8 respectively, then an ionic percentage of compound $X Y$ is:

A

50

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B

46

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C

64

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D

36

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Solution

The correct option is C 46
$%$ ionic character $= 16 \times Δ E . N . + 3.5 Δ [E . N .]^{2}$
$= 16 \times 2 + 3.5 [2]^{2} = 46 %$

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