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What is the reason for the polarisation of O–H bond in water molecule?

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Question

What is the reason for the polarisation of O–H bond in water molecule?

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Solution

The O–H bond in a water molecule is polarised because oxygen is more electronegative than hydrogen. Therefore, oxygen attracts the shared pair of electrons towards itself, acquiring a slight negative charge (δ), while hydrogen acquires a slight positive charge (δ+).

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Chapter 2: Chemical Bonding - Intext Question [Page 39]

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Lakhmir Singh Chemistry [English] Class 10 ICSE
Chapter 2 Chemical Bonding
Intext Question | Q 5. | Page 39
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