All Questions
Tagged with reactivity inorganic-chemistry
55
questions
6
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What noble metal is most resistant to oxidation by diatomic oxygen in air at room and elevated temperatures?
To clarify, by noble metals in this case I mean all platinum metals + gold, no copper, silver or rhenium. These noble metals are described as having low reactivity, but which one is least reactive or ...
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9
votes
1
answer
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How does conjugation affect reactivity?
From this topic on MOs of butadiene vs ethene, it is clear that when two ethene molecules are combined to extend the conjugate chain, the HOMO is raised in energy and the LUMO is lowered in energy. ...
- 780
4
votes
3
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Why is oxygen an oxidizing agent?
Why are diatomic oxygen molecules STILL reactive especially with metallic elements like sodium and copper even at room temperature?
You would think that since the two oxygen atoms already have the ...
- 55
0
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0
answers
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What's the chemical reaction involved when adding Caesium to water?
According to the Notting Hill and Ealing High School, the reaction of caesium $\ce{Cs}$ with water $\ce{H2O}$ gives the following equation,
$$\ce{2Cs (s) + 2H2O (l) → 2CsOH (aq) + H2 (g)},$$
producing ...
- 636
9
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1
answer
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Reaction between magnesium metal and sodium hydroxide: Does this even happen?
Came across this question in a book:
Among aluminum, zinc, tin and magnesium, which metals (if any) will react with an aqueous solution of sodium hydroxide to displace dihydrogen?
The answer to ...
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9
votes
2
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480
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I can't choose the set of 3 chemicals with each of which Si will react (out of 5 possible sets)
This is one of the questions used in the Russian State Chemistry Exam. One needs to select the set of chemicals in the second column such that each of them would react with the element or chemical in ...
- 3,276
1
vote
1
answer
8k
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Relation between acidity and reactivity?
Up till high school, I've been taught that reactivity and acidity of a substance in a relation that if a substance is acidic and if it's acidity is higher (comparatively to some other substance) than ...
- 432
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1
answer
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Do copper and ammonium hydroxide react?
According to the activity series positions of copper and ammonium, with ammonium being higher up on the series compared to copper, it would be predicted that ammonium replace copper in a single ...
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4
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Why is fluorine more reactive than chlorine?
Why is fluorine more reactive than chlorine despite chlorine having a higher electron affinity?
- 227
9
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1
answer
812
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Is ruthenium really invulnerable to aqua regia?
Recently, I answered a question "What metals aren't dissolved in/attacked by aqua regia?" in which I finally concluded "ruthenium is resistant to aqua regia in any form at any concentration of ...
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2
votes
1
answer
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Hydroxide formation: reaction of group 13 elements with water
I was studying about 13th group elements and I found that in this group Al and Tl react water to form a hydroxide and oxide respectively, but the rest of the elements don't react to form hydroxides.
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- 121
1
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1
answer
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Is there anything that can react with molecular gaseous nitrogen? [closed]
I am looking for something to react with nitrogen in the air. Is there any substance that can react fast with molecular nitrogen at room temperature?
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Why is caesium considered the most reactive element and not fluorine? [closed]
Some people say caesium is most reactive element. I thought it to be fluorine as it is the element that reacts with almost all elements (except couple of inert gases). But caesium won't react many of ...
6
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0
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How to compare the oxidizing power of perhalate ions
In my book the oxidizing power in descending order of the following is given as: $\ce{BrO4-} > \ce{IO4-} > \ce{ClO4-}$
My doubt is regarding their order of oxidizing tendency.
I thought that ...
- 501
2
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1
answer
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Reactivities: interhalogen compounds versus halogens
My textbook says that interhalogen compounds are more reactive than halogens, because the $\ce{X-X}$ bond in halogens (for example, dichlorine or $\ce{Cl2}$) is stronger than the $\ce{X-X'}$ bond in ...
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