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3. Classification of elements and periodicity in properties — Chemistry STD 11 Science — Question

Gujarat BoardEnglish MediumSTD 11 ScienceChemistry3. Classification of elements and periodicity in properties1 Mark
MCQ
Which of the following statement is not correct
  • A
    Ionic mobality of $Na^+(aq)$ is greater than $Mg^{2+}(aq)$
  • ✓
    The $EA$ of $'F'$ atom is more than $'Cl'$ atom
  • C
    Second $IP$ of $'B'$ atom is greater than that of $'C'$ atom
  • D
    $IE$ of $O^-$ is less than that of $'O'$ atom
✓

Answer

Correct option: B.
The $EA$ of $'F'$ atom is more than $'Cl'$ atom
b

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