By completing the following structures, adding unshared `e^(-)` pairs when necessary calculate the charges
(a) `N -= C - -=N`
`CI - C-=N`

`[O-underset(O)underset(||)overset(O)overset(||)(CI)-O]^(Theta`
.

Name the monomers of [-CF_2-CF_2-]_n and [underset(O)underset(||)C-(CH_2)_5-overset(H)overset(|)N-]_n

What will be the bond pair and lone pair ratio in the given structure ? HO-underset(O)underset(||)overset(O)overset(||)(S)-O-underset(O)underset(||)overset(O)overset(||)(S)-OH

Examine the following resonating structures of formic acid and arrange them in decreasing order of stability:- H-oversetOoverset(||)C-underset(..)overset(..)O-HharrH-overset(O^(@))overset(||)C=O_(o+)-Hharr H-underset(O^(o+))underset(|)C^(o+)-underset(..)overset(..)O-HharrH-underset(..)overset(..)O-HharrH-underset(O^(o+))underset(|)C^(o+)=O-H

Examine the following resonating structures of formic acid and arrange them in decreasing order of stability:- H-oversetOoverset(||)C-underset(..)overset(..)O-HharrH-overset(O^(@))overset(||)C=O_(o+)-Hharr H-underset(O^(o+))underset(|)C^(o+)-underset(..)overset(..)O-HharrH-underset(..)overset(..)O-HharrH-underset(O^(o+))underset(|)C^(o+)=O-H

Examine the following resonating structures of formic acid and arrange them in decreasing order of stability:- H-oversetOoverset(||)C-underset(..)overset(..)O-HharrH-overset(O^(@))overset(||)C=O_(o+)-Hharr H-underset(O^(o+))underset(|)C^(o+)-underset(..)overset(..)O-HharrH-underset(..)overset(..)O-HharrH-underset(O^(o+))underset(|)C^(o+)=O-H

What is the formal charge on the central atom in N_(2)O ? :N-=N-overset(..)underset(..)O:

Convert each of the following complete structural formula into condensed formulas. (i) H-O-underset(H)underset(|)overset(H)overset(|)C-underset(H)underset(|)overset(H)overset(|)C-underset(H)underset(|)N-H (ii) H-underset(H)underset(|)overset(H)overset(|)C-C-=C-underset(H)underset(|)overset(H)overset(|)C-underset(H)underset(|)overset(H)overset(|)C-underset(H)underset(|)overset(H)overset(|)C-underset(H)underset(|)overset(H)overset(|)C-H (iii) H-underset(H)underset(|)overset(H)overset(|)C-overset(O)overset(||)C-underset(H)underset(|)overset(H)overset(|)C-H (iv) H-underset(H)underset(|)overset(H)overset(|)C-underset(H)underset(|)overset(H)overset(|)C-underset(H)underset(|)overset(H)overset(|)C-underset(H)underset(|)overset(H)overset(|)C-underset(O)underset(darr)N=O Strategy: Omit some or all of the dashes (covalent bonds) and indicate the number of identical atoms/groups by a suitable subscript.