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p -Block elements - ll — Chemistry STD 12 Science — Question

Gujarat BoardEnglish MediumSTD 12 ScienceChemistryp -Block elements - ll1 Mark
MCQ
Which of the following order is incorrect
  • A
    Ionic character $ \Rightarrow  MCl < MCl_2 < MCl_3$
  • B
    Polarizibility $ \Rightarrow F^-< Cl^-< Br^-< I^-$
  • ✓
    Polarising power $ \Rightarrow Ca^{+2} < Mg^{+2} < Al^{+3}$
  • D
    Covalent character $ \Rightarrow LiF < LiCl < LiBr < LiI$
✓

Answer

Correct option: C.
Polarising power $ \Rightarrow Ca^{+2} < Mg^{+2} < Al^{+3}$
c
Order of electron gain enthalpy

(Absolute value)

$Cl > F > Br > I$

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