All Questions
Tagged with reactivity inorganic-chemistry
18
questions
10
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3
answers
65k
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Why doesn't copper react with hydrochloric acid while the other metals do?
5) Which one of the following metals does not react with hydrochloric acid?
A. zinc
B. magnesium
C. iron
D. copper
E. aluminium
The right answer must be copper, but why ...
- 849
11
votes
1
answer
22k
views
How does HF dissolve glass?
By what mechanism does HF proceed in dissolving glass? Why is it the only acid that has this capability? Is it because of the small size and high electronegativity of fluorine?
user10153
14
votes
2
answers
18k
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Why does N₂ react with O₂ to Form NO at high temperatures?
This also raises questions that I have about the Haber Process which produces ammonia ($\ce{NH3}$) from molecular nitrogen ($\ce{N2}$) and hydrogen ($\ce{H2}$).
I have heard multiple times that bond ...
- 442
6
votes
2
answers
4k
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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 ...
- 517
4
votes
3
answers
7k
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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
3
votes
0
answers
99
views
Does solid manganese reacts with atmospheric air when heated?
As discussed in my answer, manganese is not particularly reactive to air. The surface of manganese lumps oxidize to a minor extent but when it is finely divided, it becomes pyrophoric and burns in air....
- 26.3k
-3
votes
2
answers
5k
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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 ...
11
votes
2
answers
307
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Silver Tarnish and Reactivity Series
I read that silver in the presence of hydrogen sulfide corrodes to form silver sulfide and hydrogen.
$$\ce{Ag + H2S -> Ag2S + H2}$$
But in the reactivity series silver is placed much below hydrogen....
- 408
10
votes
3
answers
60k
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How can I relate the reactivity series to electronegativity and ionization energy?
I am trying to figure out how the reactivity series comes about. My understanding is that elements with a higher electronegativity will be more reactive than elements with a lower electronegativity, ...
- 493
9
votes
1
answer
25k
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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 ...
- 18.8k
8
votes
1
answer
10k
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Which allotrope of phosphorus is kinetically the most stable?
Which allotrope of phosphorus is kinetically the most stable?
I ruled out white and yellow as being quite reactive.
Red and black allotropes are both polymeric and comparitively less reactive.
...
- 702
8
votes
1
answer
966
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How does steric hindrance cause sulfur hexafluoride to have almost no reaction chemistry?
Sulfur hexafluoride ($\ce{SF6}$) is, according to the Wikipedia page, a hypervalent substance. However, according to the page in regards to $\ce{SF6}$ reactions:
There is virtually no reaction ...
user8016
5
votes
1
answer
2k
views
p-Nitroaniline reaction with sulfuric acid
An alternative version of the well-known demonstration carbon snake (the dehydration reaction of sugar by concentrated sulfuric acid forming a column of graphite) consists in mixing paranitroaniline ...
- 686
4
votes
2
answers
390
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When aluminium is ignited in atmosphere, will it form only aluminium oxide or also aluminium nitride?
We know when lithium is burnt in air, it forms lithium nitride and lithium oxide. I am wondering if this applies to aluminium (other metals) also?
user87087
4
votes
3
answers
1k
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Does manganese reacts with water at "not" standard conditions?
In my answer, I stated that manganese is said to not react with water under normal conditions although some sources say it reacts with water to liberate hydrogen gas. Does it implies that it reacts ...
- 26.3k