The hydride of arsenic, arsine, is a toxic gas used in the production of semiconductors.
Draw a dot‐and‐cross diagram for arsine, AsH3.
Arsine is a reducing agent and reacts with cerium(IV) sulfate solution, forming arsenic.
The data from an experiment are shown.
Volume of arsine gas = 350 cm3 at 115000 Pa and 20 °C
Volume of cerium(IV) sulfate solution = 488 cm3
Concentration of cerium(IV) sulfate solution = 0.102 mol dm−3
(1)
AsH3 → As
(6)
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