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Questions and Answers
What type of tests are performed to confirm the presence or absence of anions in the analysis?
What type of tests are performed to confirm the presence or absence of anions in the analysis?
- Titration tests and precipitation tests
- Color tests and pH testing
- Elimination tests and spot testing (correct)
- Boiling tests and fusion tests
Why are spot tests directly made for most anions?
Why are spot tests directly made for most anions?
- Anions are highly reactive
- Anions are sufficiently different from each other (correct)
- Most anions are similar to each other
- Anions do not react with spot test reagents
What is the primary purpose of the dry heating test in identifying anions?
What is the primary purpose of the dry heating test in identifying anions?
- To confirm the presence of metallic ions
- To provide important information about the acid radical present (correct)
- To eliminate cations from the solution
- To precipitate cations as oxides
Why are anions tested individually rather than by a systematic method according to the text?
Why are anions tested individually rather than by a systematic method according to the text?
What must be done before preparing a solution with sodium carbonate according to the text?
What must be done before preparing a solution with sodium carbonate according to the text?
Why do we first remove all traces of metallic ions except Na, K, and NH4 before further testing?
Why do we first remove all traces of metallic ions except Na, K, and NH4 before further testing?
What is the primary purpose of anion analysis?
What is the primary purpose of anion analysis?
Which of the following is NOT an example of a monatomic anion?
Which of the following is NOT an example of a monatomic anion?
What is the general scheme used to divide anions into groups during anion analysis?
What is the general scheme used to divide anions into groups during anion analysis?
What is the purpose of performing a dry heating test during anion analysis?
What is the purpose of performing a dry heating test during anion analysis?
Which of the following preliminary tests is NOT typically performed before anion analysis?
Which of the following preliminary tests is NOT typically performed before anion analysis?
Which of the following anions is classified as a halogen?
Which of the following anions is classified as a halogen?
Which group of anions will give volatile products or precipitate with HCl?
Which group of anions will give volatile products or precipitate with HCl?
Which anion forms an insoluble product with CaCl2 in HAc?
Which anion forms an insoluble product with CaCl2 in HAc?
Which of the following anions will give a precipitate with BaCl2 in Ammonium Hydroxide?
Which of the following anions will give a precipitate with BaCl2 in Ammonium Hydroxide?
What is the group of anions that form insoluble products with AgNO3 in Nitric Acid?
What is the group of anions that form insoluble products with AgNO3 in Nitric Acid?
Which of the following anions gives a precipitate soluble in 0.25 M NH4OH?
Which of the following anions gives a precipitate soluble in 0.25 M NH4OH?
Anions that will give volatile products include all of the following except:
Anions that will give volatile products include all of the following except:
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