MCQ
Which of the following is incorrect
  • A
    $I^+ < I < I^-$ (Radii)
  • B
    $CO, N_2, CN^-$ (Isoelectronic)
  • $F_2 > Cl_2 > Br_2 > I_2$ (Bond energy)
  • D
    $Cl > F > Br > I$ (Electron Affinity)

Answer

Correct option: C.
$F_2 > Cl_2 > Br_2 > I_2$ (Bond energy)
c
$Cl_2 > Br_2 > F_2 > I_2$ (Bond energy)

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$(I)$ $\begin{array}{*{20}{c}}
  {O\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,} \\ 
  {||\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,} \\ 
  {O - S - {C_6}{H_4} - C{H_3}} \\ 
  {||\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,} \\ 
  {O\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,} 
\end{array}\,$   $(II)$ $\begin{array}{*{20}{c}}  {O\,\,\,\,\,\,\,} \\   {||\,\,\,\,\,\,\,} \\   {O - S - {C_6}{H_5}} \\   {||\,\,\,\,\,\,\,} \\   {O\,\,\,\,\,\,\,} \end{array}\,$$(III)$ $N_3$ $(IV)$ $Br$