IMG 1226.heic 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
IMG 1226.heic 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
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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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.
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