MCQ
Identify the correct set which can only act as oxidants
  • A
    $NO_3^-,\, SO_3, Na$
  • $Fe^{+3}, \,NO_3^-,\, SO_3$
  • C
    $I^-,\, Na$
  • D
    $I^-,\, NO_3^ -$

Answer

Correct option: B.
$Fe^{+3}, \,NO_3^-,\, SO_3$
b
$\mathop {F{e^{ + 3}}}\limits_{ + 3} ,\,\mathop {NO_3^ - }\limits_{ + 5} ,\mathop {S{O_3}}\limits_{ + 6} $

Central atom has maximum oxidation state, so they will only act as oxidising agent.

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