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  • Solve it, - Chemical Bonding & Molecular Structure - BITSAT

The sum of formal charges in CO_{3}^{2-} is

 

  • Option 1)

    Zero

  • Option 2)

    -1

  • Option 3)

    -2

  • Option 4)

    +5

 

Answers (1)

best_answer

As we learnt in 

Formal charge -

Formal charge is difference between the number of valence electron in an isolated atom and number of electrons assigned to that atoms in lewis structure.  

- wherein

Formal Charge

\left [ Total \:number\:of\:valence\:electron\:in\:the\:free\:atom\:-\frac{1}{2}(Total\:number\:of\:shared\:electron\:i.e.\:bonding\:electrons) \right ]

 

The sum of all the formal charges on constituents of an ion is equal to the total charge on the ion i.e  -2.


Option 1)

Zero

Option is incorrect

Option 2)

-1

Option is incorrect

Option 3)

-2

Option is correct

Option 4)

+5

Option is incorrect

Posted by

divya.saini

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