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Grade: 8
        
Lead cannot be used for the preparation of hydrogen gas by reacting with dilute acids
one year ago

Answers : (1)

Arun
24480 Points
							

Lead is above hydrogen in the metal activity series ( H2 is included for comparison of reactivity with other metals). So it can displace H from compounds.

In the reactions with acids, insoluble salts of lead are produced which forms a coating on pure lead and prevents the reaction from proceeding further. Thus, Pb is not used to prepare H2.

one year ago
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