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X, Y, B and P are the elements belonging to 17th group of Modern periodic table. The correct trend of oxidizing power of these elements is X2 > Y2 > B2 > P2. The element ‘P’ in the sequence is

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a
Cl
b
F
c
I
d
Br

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detailed solution

Correct option is C

Atomic radius….FCl>Br>I;EN ….F>Cl>Br>I;Electron gain enthalpy ….ICl>Br>I>Cl->F->Br->I-B.D.E….Cl2>Br2>F2>I2; Due to small size and repulsions between lone pairs on adjacent Fluorine atoms ;IP …..I-Cl2>Br2>I2;Due to high hydration enthalpy of F- and low B.D.E of F2, F2 is the strongest oxidant and highly reactive;SRP Values of E12F2/F-0+2.87 V > E12Cl2/Cl-0+1.36 V > E12Br2/Br-0+1.08 V > E12I2/I-0+0.54 V ;Reducing power….I- > Br- > Cl- > F- ;Hydration enthalpy…F->Cl->Br->I-;MP and BP ….F2

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