Question

Calculate the formal charge on oxygen in the electron-dot structure for OCN- 1: o C- -N: -1 O -2 +1 0 0 N

Answer 1

(o=c N: The - cyanate for. formal charge the on an atom is number of valence electrons on free cnim bonded) atom minus the number that following we of electrory assigned to Lewis structore the atem in formula this use find formal charge FC + 112 s) can to -Ch v -

atinn.com) dots no valence electrons ۵۱۱ is the number of shared of valence the free the number Present as and ३ of electrony lone pairy electrons. Note; Sum of the a formal charges on molecule will ion it will all the alony in be Zero while for the charge on to equal be dhe ion. (: 10 = C NE :]

1:05. - F = V-CL + txs) f formal charge of origen" Noony gen valence electoons (r)a6 ses free atom con dots on atom=a S= shared pair of eletrory=6 present so, 3x2=6 electrony. the La no. of valence electrons Q blo on each bond 2 electrony 3 bonds O and с ::. F? F =6_(2 + x F = 6-(2+3) 6-5 ca ti = F Ang' tl

formal charge of C f rv-Cl + ķxs) to v 'c' valence electrons =4 no. of dot on 'c' La of shared pair s = no 8 of electrons f=4-(0+²x8 f of a H-4 'C' formal charge . 1720 N formal charge :- far-CL + 2 x S) - L=6 5 s=2 Nr F-5- 5- ( 6 + x 2) 5-7 T F = -2