MCQ
Incorrect order of ionisation energy is
  • A
    $Pb (I.E.) > Sn (I.E.)$
  • B
    $Na^+ (I.E.) > Mg^+ (I.E.)$
  • $Li^+ (I.E.) < O^+ (I.E.)$
  • D
    $Be^+ (I.E.) < C^+ (I.E.)$

Answer

Correct option: C.
$Li^+ (I.E.) < O^+ (I.E.)$
c

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