It is noticed that Pb²⁺ is more stable than Pb⁴⁺ but Sn²⁺ is less stable than Sn⁴⁺. Observe the following reactions. PbO₂+Pb→2PbO; Δ r G°(1). SnO₂+Sn→2SnO; Δ r G°(2). Identify the correct set from the following

(A) Δ r G°(1)<0; Δ r G°(2)<0

(B) Δ r G°(1)>0; Δ r G°(2)>0

(D) Δ r G°(1)>0; Δ r G°(2)<0

p-Block Elements: JEE Main 2026 Chemistry question

JEE Main 2026 · 23 Jan, Evening shift · Q58

JEE Main 202623 Jan, Evening shiftChemistryMediump-Block Elements95× since 2002

It is noticed that

\mathrm{Pb^{2+}}

is more stable than

\mathrm{Pb^{4+}}

but

\mathrm{Sn^{2+}}

is less stable than

\mathrm{Sn^{4+}}

. Observe the following reactions.

\mathrm{PbO_2+Pb\to2PbO}

;

\Delta_rG^\circ(1)

\mathrm{SnO_2+Sn\to2SnO}

;

\Delta_rG^\circ(2)

. Identify the correct set from the following

JEE Main 2026 p-Block Elements Question with Solution (23 Jan Evening shift, Q58) | JEE Arc