Which of the following reactions lead to chemical inertness : – InterviewSolution

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1.	Which of the following reactions lead to chemical inertness :
Answer» Lead with dilute `H_(2)SO_(4)` Lead with CONC. `HCI` ALUMINIUM with oxygen All of above reactions Solution :(1)`Pb+H_(2)SO_(4)toPbSO_(4)("LAYER")+H_(2)uarr` (2)`Pb+Conc.HCl to PbCl_(2)("COATING")+H_(2)uarr` (3)`2Al+3//2 O_(2)to Al_(2)O_(3)(s)`

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