IMG 1226.heicSearchListenAMWhy does one side of a water molecule have a partial negative charge?AMOthe oxygen atom donates an electron to each of the hydrogen atomsone of the hydrogen atoms donates an electron to the oxygen atomthe oxygen atom has two pairs of electrons in its valence shell that are notneutralized by hydrogen atomsthe electrons shared between the oxygen and hydrogen atoms spend more timearound the oxygen atom nucleus than around the hydrogen atom nucleusPМPM

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Chemistry

9th Edition

ISBN:9781133611097

Author:Steven S. Zumdahl

Publisher:Steven S. Zumdahl

Chapter8: Bonding: General Concepts

Section: Chapter Questions

Problem 24Q: Which of the following statements is/are true? Correct the false statements. a. It is impossible to...

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Search
Listen
AM
Why does one side of a water molecule have a partial negative charge?
AM
Othe oxygen atom donates an electron to each of the hydrogen atoms
one of the hydrogen atoms donates an electron to the oxygen atom
the oxygen atom has two pairs of electrons in its valence shell that are not
neutralized by hydrogen atoms
the electrons shared between the oxygen and hydrogen atoms spend more time
around the oxygen atom nucleus than around the hydrogen atom nucleus
PМ
PM

Expert Solution

Development of partial charges on water molecules

In water molecule, Oxygen is bonded to Hydrogen atom through a shared pair of electron (i.e one electron is donated by oxygen and other by hydrogen. But due to greater electronegativity of oxygen atom (due to greater nuclear charge, i.e. 8 units of positive charge) than hydrogen (with only one unit of positive charge), shared pair of electron is pulled more strongly towards oxygen atom.

Hence, shared pair of electron spends more time around the more electronegative oxygen atom nucleus than around less electronegative hydrogen atom.

Hence, option D is correct.