Which statement correctly describes the trend in the reducing ability of halide ions down Group 7, and identifies the reduction products of concentrated sulfuric acid ( $H2SO4\text{H}_2\text{SO}_4$ ) when it reacts with solid potassium iodide ( $KI\text{KI}$ )?

Reducing ability decreases down the group, and the only reduction product is $SO2\text{SO}_2$ .

Reducing ability decreases down the group, and the reduction products include $SO2\text{SO}_2$ , $S\text{S}$ , and $H2S\text{H}_2\text{S}$ .

Reducing ability increases down the group, and the only reduction product is $SO2\text{SO}_2$ .

Reducing ability increases down the group, and the reduction products include $SO2\text{SO}_2$ , $S\text{S}$ , and $H2S\text{H}_2\text{S}$ .

Reducing ability decreases down the group, and the only reduction product is $SO2\text{SO}_2$ .

Reducing ability decreases down the group, and the reduction products include $SO2\text{SO}_2$ , $S\text{S}$ , and $H2S\text{H}_2\text{S}$ .

Reducing ability increases down the group, and the only reduction product is $SO2\text{SO}_2$ .

Reducing ability increases down the group, and the reduction products include $SO2\text{SO}_2$ , $S\text{S}$ , and $H2S\text{H}_2\text{S}$ .

7.2 Group 7

Question 19

Markscheme

7.2 Group 7

Question 19

Markscheme

7.2 Group 7

Question 19

7.2 Group 7 Questions

7.2 Group 7

Question 19

7.2 Group 7 Questions