Identifying the products of chemical reactions

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Question 3
Hard

A student adds concentrated sulfuric acid to solid sodium iodide in a boiling tube. A vigorous reaction occurs, producing a mixture of gases, a solid residue, and a dark purple vapor. Which of the following lists only the reduction products of sulfuric acid formed in this reaction?

SO2(g)\text{SO}_2(g)SO2​(g), S(s)\text{S}(s)S(s), and H2S(g)\text{H}_2\text{S}(g)H2​S(g)

HI(g)\text{HI}(g)HI(g), SO2(g)\text{SO}_2(g)SO2​(g), S(s)\text{S}(s)S(s), and H2S(g)\text{H}_2\text{S}(g)H2​S(g)

I2(g)\text{I}_2(g)I2​(g), SO2(g)\text{SO}_2(g)SO2​(g), S(s)\text{S}(s)S(s), and H2S(g)\text{H}_2\text{S}(g)H2​S(g)

SO2(g)\text{SO}_2(g)SO2​(g) and S(s)\text{S}(s)S(s) only

Identifying the products of chemical reactions Questions

  1. GCSE
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