Question

formal charge of CS2

Answer 1

Given:

Chemical formula of element = $CS_2$

To find:

Formal charge of $CS_2$ = ?

Formula to be used:

Formal charge = Valence electron - Unbounded electron - $\frac{1}{2}$Bonded electron

Calculation:

To calculate the formal charge of the compound, the formal charge of the individual element present in the atom must be found.

Thus formal charge of C in $CS_2$

= Valence electron - Unbounded electron - $\frac{1}{2}$Bonded electron

= 4 - 0 - $\frac{8}{2}$

= 4 - 4

= 0

Formal charge of S in $CS_2$

= Valence electron - Unbounded electron - $\frac{1}{2}$Bonded electron

= 6 - 4 - $\frac{4}{2}$

= 2 - 2

= 0

Thus the individual formal charge of elements is zero, therefore the overall formal charge of $CS_2$ is found to be 0.

Conclusion:

Thus the formal charge of $CS_2$ is 0.

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