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Chemical Reactions and Interactions Quiz

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Chemical Reactions and Interactions Quiz

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Questions and Answers

What are specific reagents used for in confirmatory experiments?

To form distinct compounds with multiple ions from different groups

To interact with ions from one or more groups (correct)

To give negative results with all ions in a group

To interact with only one ion from the ions of one group

Which cations belong to Group II A?

Sn²⁺, Sn, Sb³⁻

Ag, Hg₂, Pb²⁺

Cu, Cd²⁺, Hg₂ (correct)

Mg²⁺, Ca²⁺, Ba²⁺

In distinctive experiences, what do the various reagents form with the ions of one group?

Mixtures with multiple ions from different groups

Negative results with all ions from the group

Complex compounds with all ions from the group

Distinct compounds with only one ion from the group (correct)

Which reagent is used for the detection of group I cations from basic radicals?

Dilute hydrochloric acid Signup and view all the answers

What is the common trait of group I cations when they precipitate in the form of hydroxides?

They are amphoteric in nature Signup and view all the answers

Why do the chlorides of group I cations not dissolve in hydrochloric acid?

They form insoluble chlorides Signup and view all the answers

In the detection of group I cations, which compound is responsible for the formation of insoluble sulfides in the alkaline medium?

Ammonium hydroxide Signup and view all the answers

Which reagents are used as group I cation detectors in the given text?

NaCl and NH4OH Signup and view all the answers

What are the common traits of the group I cations mentioned in the text?

They precipitate in the form of hydroxides Signup and view all the answers

What happens when the group I cations' chlorides are treated with dilute hydrochloric acid?

They dissolve Signup and view all the answers