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JEE Main202528 Jan 2025Morning ShiftChemistryp Block Elements (Group 13 & 14)Actual

Consider the following elements In , Tl , Al , Pb , Sn and Ge . The most stable oxidation states of elements with highest and lowest first ionisation enthalpies, respectively, are

Options

  1. A+4 and +1
  2. B+1 and +4
  3. C+4 and +3
  4. D+2 and +3

Correct answer

C. +4 and +3

Step-by-step solution

Among Al , In , Tl , Ge , Sn , Pb , the metal having highest IE ₁ is Ge and lowest IE ₁ is In . Most stable oxidation state of Ge is +4 and In is +3 .

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