(main)[10]
Record the observations in the table. Write ‘no reaction’ where appropriate.
Chemistry 5070 · O Level · Identification of ions and gases
Identification of ions and gases — practice question
A student is given solutions of:
• aqueous chromium(III) nitrate
• aqueous iron(II) chloride
• aqueous iron(III) chloride
The student carries out tests on the three aqueous solutions by adding each reagent listed in the table.
Record the observations in the table.
Write ‘no reaction’ where appropriate.
Worked solution & mark scheme
This 10-mark question has a full step-by-step worked solution and mark scheme. One marking point: “Aqueous chromium nitrate with sodium hydroxide: green precipitate” …
- Full mark scheme, point by point
- Step-by-step worked solution
- Write your answer & get it marked instantly by AI