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Chemistry: Chlorine Reactivity and Oxidation Reactions with Metals

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Chemistry: Chlorine Reactivity and Oxidation Reactions with Metals

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Questions and Answers

What color precipitate is formed when Group 2 metals react with chlorine gas?

Yellow precipitate

White precipitate (correct)

Blue precipitate

Green precipitate

Which of the following outcomes is observed when strontium reacts with excess oxygen and heat energy?

Formation of metal sulfides

Formation of metal hydroxides

Formation of metal peroxides (correct)

Formation of metal nitrates

In which oxidation state does magnesium end up after reacting with steam?

-1

+2 (correct)

Which gas is produced when Group 2 metals react with dilute acids?

Hydrogen gas Signup and view all the answers

What type of reaction occurs when Group 2 hydroxides react with dilute acid?

Neutralization reaction Signup and view all the answers

What is observed when iodide ions react with HI?

Misty fumes Signup and view all the answers

What does HI reduce H2SO4 to?

Solid iodine Signup and view all the answers

In the disproportionation reaction of chlorine with cold water, what ions are produced?

Chlorate(I) ions and chloride ions Signup and view all the answers

What is the oxidation state of chlorine in the disproportionation reaction with cold water?

+1 Signup and view all the answers

What trend is observed in reducing power down Group 7 elements?

Increasing reducing power Signup and view all the answers

What is a key risk associated with using chlorine in water treatment systems?

Toxicity of chlorine Signup and view all the answers

What happens to chlorine when reacted with hot, concentrated alkali?

It disproportionates to form species with oxidation numbers of -1 and +5. Signup and view all the answers

What are the products when Group 1 and Group 2 metals react with chlorine gas?

Metal chlorides, which are white precipitates. Signup and view all the answers

What colored precipitate is formed when Cl- ions react with acidified silver nitrate?

Yellow precipitate Signup and view all the answers

How do halide ions react when combined with ammonia after forming colored precipitates?

Precipitate dissolves Signup and view all the answers

What happens when hydrogen halides react with ammonia gas?

Ammonium salts are formed. Signup and view all the answers

In the context of the text, what is an example of a disproportionation reaction involving chlorine?

Chlorine reacting with hot alkali Signup and view all the answers