Decide whether these proposed Lewis structures are reasonable.

$\backslash$table$[[$proposed Lewis structure,Is the proposed Lewis structure reasonable?$],[$:$N-=N$:$,\backslash$table$[[$Yes$.],[$No$,$ it has the wrong number of valence electrons.$],[$The correct number is:$],[$No$,$ it has the right number of valence electrons but doesn't satisfy the$],[$octet rule.$],[$The symbols of the problem atoms are:$*]]],[H-C-=N$:$,\backslash$table$[[$Yes$.],[$No$,$ it has the wrong number of valence electrons.$],[$The correct number is:$],[$No$,$ it has the right number of valence electrons but doesn't satisfy the$],[$octet rule.$],[$The symbols of the problem atoms are:$*]]],[,\backslash$table$[[$Yes$.],[$No$,$ it has the wrong number of valence electrons.$],[$The correct number is:$],[$No$,$ it has the right number of valence electrons but doesn't satisfy the$],[$octet rule.$],[$The symbols of the problem atoms are:$*]]]]$