The group 14 elements A and B have the first ionisation enthalpy values of 708 and 715 kJ mol ⁻¹ respectively. The above values are lowest among their group members. The nature of their ions A²⁺ and B⁴⁺ respectively is

p-Block Elements: JEE Main 2025 Chemistry question

JEE Main 2025 · 7 Apr, Morning shift · Q52

JEE Main 20257 Apr, Morning shiftChemistryMediump-Block Elements95× since 2002

The group 14 elements A and B have the first ionisation enthalpy values of 708 and 715 kJ mol

^{-1}

respectively. The above values are lowest among their group members. The nature of their ions

\mathrm{A^{2+}}

and

\mathrm{B^{4+}}

respectively is

JEE Main 2025 p-Block Elements Question with Solution (7 Apr Morning shift, Q52) | JEE Arc

JEE Main 2025 · 7 Apr, Morning shift · Q52

JEE Main 20257 Apr, Morning shiftChemistryMediump-Block Elements95× since 2002

The group 14 elements A and B have the first ionisation enthalpy values of 708 and 715 kJ mol

^{-1}

respectively. The above values are lowest among their group members. The nature of their ions

\mathrm{A^{2+}}

and

\mathrm{B^{4+}}

respectively is