Question

Choose the correct alternative: Four metals are arranged according to the decreasing tendency of liberating hydrogen gas from dilute acid as follows : Ca, Zn , Fe, (H) , Cu . In which of the following cases will a precipitate of the less reactive metal be obtained ?(a) When zine is added to an aqueous solution of solution of copper sulfate (b) when iron is added to an aqueous solution of calcium chloride (c) when copper is added to an aqueous solution of calcium chloride (d) when iron is added to an aqueous solution of zinc sulfate​

Answer 1

Answer:

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