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Polar Covalent Compounds

Which of the ...

Question

Which of the following bonds is more polar when compared to others?

O - H

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N - H

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C - H

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H - H

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Solution

The correct option is B $O - H$
Among O, N, C, and H, oxygen is the most electron negative.
So, O-H bond is more polar as compared to others.
or
ATOMS ELECTRONEGATIVITY
O 3.5
N 3.0
C 2.5
H 2.4

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