JEE MainChemistryModerateInorganic Chemistry

Which of the following reactions lead to chemical inertness

Show answer and solution

(1)

Pb + H_{2}{SO}_{4} \longrightarrow {PbSO}_{4}\ (layer) + H_{2} \uparrow

(2)

Pb + Conc.HCl \longrightarrow {PbCl}_{2}(\ Coating) + H_{2} \uparrow

(3)

2Al + 3/2O_{2} \longrightarrow {Al}_{2}O_{3}(s)

Source: Grass-G / CH-23 Chemistry Paper 31 Dec. FST.docx

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