All Questions
Tagged with reactivity acid-base
27
questions
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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 ...
0
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1
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What can be added to hydrochloric acid to make a gel or paste?
I have a bottle of brick cleaner containing 18-20% hydrochloric acid. What can I add to it to make a gel or paste without unwanted reactions? The application is still just cleaning bricks as the ...
3
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0
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160
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Constructing a reactivity series, magnesium more reactive than sodium?
I reacted about $0.25 \,\mathrm{g}$ of magnesium, sodium and lithium in $20 \,\mathrm{ml}$ of $2 \,\mathrm{M} \,\ce{HCl}$ at room temperature. This was all done in a $100 \,\mathrm{mL}$ beaker.
I ...
2
votes
1
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9k
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Why is Nitric Acid more reactive and caustic than Sulfuric or Hydrochloric?
Nitric acid reacts much more vigorously with living tissue and is a obviously more immediately hazardous on contact than sulfuric or hydrochloric.
What is the reason for this? Is it due to the ...
0
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1
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5k
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Is calcium hydroxide or potassium hydroxide more efficient at removing carbon dioxide?
In biology, we commonly use $\ce{KOH}$ in respirometers to remove carbon dioxide. A common test in chemistry to detect the presence of carbon dioxide is to bubble it through limewater, turning it ...
2
votes
1
answer
247
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Why does only one reaction occur when so many are possible?
Why does only one reaction take place, although so many would be possible? I'm more of a physics and math guy, so simply "accepting" it without a proper explanation is kind of hard for me. For example:...
1
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1
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6k
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Why do displacement reactions occur?
Suppose we have a compound, say copper sulfate. I know that sulfate is a poly-atomic ion, having valency 2. And, in this case, copper also has valency 2. So, to fullfill their 'octet' requirements, ...
0
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0
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what makes an acid a strong acid or weak acid? [duplicate]
When my teacher referenced nitric acid as a strong acid, I thought it was strong because it donates more than one H+ per molecule, but then I saw the equation is $\ce{HNO_3}$ and it only donates one. ...
6
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3
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Can aluminum and hydrochloric acid be used to generate hydrogen gas?
I am looking to produce hydrogen gas in a small amount with supplies I currently have. Most of the methods I have seen involve reacting zinc or magnesium with $\ce{HCl}$ to obtain the gas, but I do ...
4
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3
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15k
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What is the quickest way to dissolve steel?
What is the quickest way to dissolve a large chunk of steel? I mean a very quick reaction, assuming that the interaction occurs in a sealed or semi-sealed environment? Reaction times of the order of a ...
12
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2
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Why is the iodide anion a good nucleophile but a poor base?
The $\mathrm{pK_{aH}}$ of $\ce I^-$ is very low which indicated that it is not favourable for it to bond with a proton. However, why would it be likely to bond with any other atom (mostly carbon when ...
22
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4
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Why do Organolithium or Grignard reagents act as nucleophiles and not as bases with aldehydes and ketones
I've read entire Chapter 14: Organometallic Compounds of Francis Carey's "Organic Chemistry" but I still didn't get an answer to my question.
Quote from the book:
Because of their basicity ...