Verified Solution • 2025–26 Session moderate

QJEEM25Chceea: JEE Main 2025 Chemistry - Class 11 JEEM25Chceea Solution: Consider the following elements and Ge . The most stable…

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

Multiple Choice Options

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

Step-by-Step Verified Solution

Among Al,In,Tl,Ge,Sn,Pb\mathrm{Al}, \mathrm{In}, \mathrm{Tl}, \mathrm{Ge}, \mathrm{Sn}, \mathrm{Pb} , the metal having highest IE1\mathrm{IE}_1 is Ge and lowest IE1\mathrm{IE}_1 is In\mathrm{In} .

Most stable oxidation state of Ge is +4 and In is +3 .

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