What is the formal charge on the N atom in th | vedclass

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Question

(A) The formula for calculating the formal charge is: $	ext{Formal charge} = [	ext{Total number of valence electrons in free state}] - [	ext{Total

Vedclass · Accepted Answer

$+1$

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(A) The formula for calculating the formal charge is: $	ext{Formal charge} = [	ext{Total number of valence electrons in free state}] - [	ext{Total number of lone pair electrons}] - \frac{1}{2} [	ext{Number of bonding electrons on that particular atom}]$ For the $N$ atom in $NH_4^{+}$: - The number of valence electrons in a free $N$ atom is $5$. - The number of lone pair electrons on the $N$ atom is $0$. - The number of bonding electrons around the $N$ atom is $8$ (since there are $4$ covalent bonds). $	ext{Formal charge on } N = 5 - 0 - \frac{1}{2} 	imes 8 = 5 - 4 = +1$.

Order	Property
$(A)$ $NO_2 > O_3 > H_2O$	Bond angle
$(B)$ $H_2O > HF > NH_3$	Dipole moment
$(C)$ $I_2 > F_2 > N_2$	Bond length

What is the formal charge on the $N$ atom in the $NH_4^{+}$ ion?

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Order Property
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$(B)$ $H_2O > HF > NH_3$ Dipole moment
$(C)$ $I_2 > F_2 > N_2$ Bond length

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