MCQ
Correct order is
  • $F > Cl > Br > I$    $(E.A.)$
  • B
    $F_2 > Cl_2 > Br_2 > I_2$    (bond dissociation energy)
  • C
    $F_2 > Cl_2 > Br_2 > I_2$    (oxidising power)
  • D
    $F^-> Cl^-> Br^-> I^-$    (reducing power)

Answer

Correct option: A.
$F > Cl > Br > I$    $(E.A.)$
a
$X = CH_4, Y = NaH, Z = HBr$

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