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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 OH=3.52.1=1.4
Electronegativity difference of OX=3.50.8=2.7
Hence the OX will break first.
Thus, it is basic in nature.

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