Chemistry, asked by yug2452005, 9 months ago

hydrogen can be prepared from dilute sulphuric acid using zinc but not lead give reason​

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Answered by zahaansajid
13

Lead is not used in the preparation of hydrogen because lead reacts with dilute sulphuric or hydrochloric acid and forms an insoluble coating of lead sulphate or lead chloride. therefore, the further reaction is prevented

Zn+ H2SO4 ------> ZnSO4 + H2

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