Testing for Ions quiz Loading... 1. In a flame test, a yellow colour is seen. Give the formula of the cation which is present.K⁺Na⁺Li⁺Ca²⁺Question 1 of 10 Loading... 2. What is the test for iron (II) ions (Fe²⁺) and what is the result?Flame test. Flame colour is redFlame test. Flame colour is lilacAdd NaOH. A blue precipitate forms.Add NaOH. A green precipitate forms.Question 2 of 10 Loading... 3. What 2 things are added to a solution to test for chloride ions? What is observed if they are present?Add dilute nitric acid and barium chloride. A white precipitate of silver chloride is formedAdd dilute nitric acid and silver nitrate. A white precipitate of silver chloride is formed.Add dilute hydrochloric acid and silver nitrate. A white precipitate of silver chloride is formedAdd dilute hydrochloric acid and barium chloride. A white precipitate of silver chloride is formedQuestion 3 of 10 Loading... 4. How are calcium ions identified, and what is the result?Using sodium hydroxide. Precipitate is greenUsing sodium hydroxide. Precipitate is blueUsing a flame test. Flame colour is yellowUsing a flame test. Flame colour is orange- redQuestion 4 of 10 Loading... 5. How would you test for the ammonium ion (NH₄⁺)?Gently heat it. If ammonium ions were present, ammonia gas will be given off which will turn damp red litmus paper blueGently heat it. If ammonium ions were present, ammonia gas will be given off which will bleach damp red litmus paperAdd sodium hydroxide. If ammonium ions were present, ammonia gas will form which will bleach damp red litmus paperAdd sodium hydroxide. If ammonium ions were present, ammonia gas will form which will turn damp red litmus paper blueQuestion 5 of 10 Loading... 6. How are sodium ions identified, and what is the result?Using sodium hydroxide. Precipitate is greenUsing sodium hydroxide. Precipitate is blueUsing a flame test. Flame colour is redUsing a flame test. Flame colour is yellowQuestion 6 of 10 Loading... 7. Describe how you would test for sulfate ions (SO₄²⁻) and what is the result if they are present?Add dilute HCl, followed by silver nitrate (AgNO₃) and see if a white precipitate formsAdd nitric acid and see if carbon dioxide bubbles formAdd dilute HCl, followed by barium chloride (BaCl₂) and see if a white precipitate formsFlame test. Flame colour is lilacQuestion 7 of 10 Loading... 8. When testing for halide ions, after silver nitrate is added to a sample a yellow precipitate is formed. Give the formula of the anion present in the sample.SO₄²⁻CO₃²⁻Br⁻I⁻Question 8 of 10 Loading... 9. Write a word equation for the reaction between sodium hydroxide and iron(II) sulfatesodium hydroxide + iron(II) sulfate → iron (III) hydroxide + sodium sulfitesodium hydroxide + iron(II) sulfate → sodium hydroxide + iron (II) sulfatesodium hydroxide + iron(II) sulfate → iron (II) hydroxide + sodium sulfatesodium hydroxide + iron (II) sulfate → iron (II) hydroxide + sodium sulfiteQuestion 9 of 10 Loading... 10. Describe how you would carry out a flame testPut solid onto a wire. Put into a blue flameDissolve solid in acid. Put solution onto wire. Put into an orange flameDissolve solid in acid. Put solution onto wire. Put into an blue flamePut solid onto a wire. Put into an orange flameQuestion 10 of 10 Loading... Related Posts:The entire quiz question bank!The entire quiz question bank (Double only)!Key Calculations quizEquilibria (triple) quizCondensation Polymers quizElectrolysis quiz Hydr0Gen2020-03-01T15:25:48+00:00Categories: Uncategorized|Tags: Quiz, Topic: Acids & Salts| Share This Story, Choose Your Platform! FacebookXRedditLinkedInTumblrPinterestVkEmail
