Which of the following reactions are metathesis reactions? (a) 2KClO_3 rightarro

Question

Which of the following reactions are metathesis reactions? (a) 2KClO_3 rightarrow 2KCl + 3O_2 (b) Cu(NO_3)2 + Zn rightarrow Cu + Zn(NO_3)_2 (c) BaCO_3 + 2 HCl rightarrow BaCl_2 + H_2O + CO_2 (d) Na_2CO_3 + CuSO_4 rightarrow Na_2SO_4 + CuCO_3 How many grams of each of the following substances will dissolve in 100 mL of cold water? Consult a handbook or the Internet and cite your source. Ce(IO_3)_4 RaSO_4 Pb(NO_3)_2 (NH_4)_2SeO_4 Which of these substances is least soluble on a gram-per-100 mL basis? Suppose you have a solution that might contain any or all of the following cautions: Cu^2+, Ag^+, Ba^2+, and Mn^2+. The addition of HBr causes a precipitate to form. After the precipitate is filtered off, H_2SO_4 is added to the supernate, and another precipitate forms. This precipitate is filtered off, and a solution of NaOH is added to the supernatant liquid until it is strongly alkaline. No precipitate is formed. Which ions are present in each of the precipitates? Which cautions are not present in the original solution? Write balanced net ionic equations for the reactions, if any, that occur between

Explanation / Answer

1.

metathesis reaction is nothing but double displacement reaction

only is option d , double displacement is taking place

Answer: d

I am allowed to answer only 1 question at a time

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