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Question
In a water molecule, there is/are ______ valence electron(s) of Oxygen which do not take part in the covalent bond formation.
In a water molecule, there is/are ______ valence electron(s) of Oxygen which do not take part in the covalent bond formation.
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Solution
The correct option is B two
Oxygen has six electrons in its valence shell. It shares two electrons with two hydrogen atoms to form H2O molecule. Hence, there are four electron which do not take part in covalent bond formation with hydrogen.
The electron dot structure of water molecule is given below:
Oxygen has six electrons in its valence shell. It shares two electrons with two hydrogen atoms to form H2O molecule. Hence, there are four electron which do not take part in covalent bond formation with hydrogen.
The electron dot structure of water molecule is given below:
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