Question

explain why very little carbon (4) oxide gas is evolved when dilute sulphuric (4) acid is added to lead (2) carbonate

Answer 1

Answer:

it is due to formation of insoluble lead(ll) carbonate hence preventing further reaction

Explanation:

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Answer 2

Answer: It's due to formation of insoluble Lead(II) carbonate which hence preventing any further reaction.

Explanation: The direct addition of dil. Sulphuric acid to lead carbonate will be causing the deposition of lead sulphate on the surface of lead carbonate which will be stoping further reaction on it.So even though chemically it is correct,practically we can add sulphuric acid to lead carbonate to prepare lead sulphate.

When dilute sulphuric acid is added to sodium carbonate, the corresponding salt, sodium sulphate, and water are formed and carbon dioxide gas is evolved but carbon dioxide is very little.

Lead does not react with hydrochloric acid or dilute sulphuric acid because it forms an insoluble coating of lead sulphate or lead chloride. So, further reaction is prevented.

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