Question

what happen when hydrogen passed over hot lead​

Answer 1

The hydrogen is gaining oxygen and is being oxidised.In other words, one reactant gets oxidised while the other gets reduced.

Answer 2

Answer:

Reaction of Lead With hydrogen gives the following results-

• Lead (II) Oxide yellow Lead (II) changes to red brown on heating.
• When the reaction is complete, grey lead metal is left in the crucible.

The reaction can be given as

$H2 +PbO = H2O +Pb$

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