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Electronegativity

The electrone...

Question

The electronegativity of $H, X, O$ are $2.1, 0.8$ and $3.5$ respectively. Comment on the nature of the compound $H - O - X$ , that is:

A

Basic

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B

Acidic

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C

Atmospheric

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D

Can't be predicted

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Solution

The correct option is A Basic
Greater is the electronegativity difference, more is the charge separation and accodingly more prone towards fission.
Electronegativity difference of $O - H = 3.5 - 2.1 = 1.4$
Electronegativity difference of $O - X = 3.5 - 0.8 = 2.7$
Hence the $O - X$ will break first.
Thus, it is basic in nature.

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