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Results tagged with inorganic-chemistry
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user 66245
Inorganic compounds generally do not have C-H bonds, while organic compounds do have such bonds. The distinction between inorganic and organic chemistry, however, is far from absolute.
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How to predict the reason for color in a transition metal complex?
How to predict the reason for color in a transition metal complex?
Nobody can do it just by "looking" at the color of any compound. Spectroscopists have to do calculations to figure that out. There …
- 42.6k
1
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Chemical reaction
It is postulated that NH4OH as a molecule does not exist in solution. A better way to write might be NH3(aq). As to the evolution of gaseous ammonia, this reaction would only proceed if you heat up (i …
- 42.6k
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Change in H+ ion concentration of water on boiling
It is an interesting question, however there is a misconception. You are giving too much attention to the word neutral. The word neutral is just a qualitative version. Numbers and equations are more a …
- 42.6k
4
votes
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Does silver oxide react with hydrogen sulfide?
Silver sulfide is formed by Ag and hydrogen sulfide not sulfur dioxide. You need reducing conditions where the latter can be reduced to
$$\ce{SO2 +reduction -> H2S}$$
Actually, sulfur dioxide chemis …
- 42.6k
3
votes
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Flame Test: Why does the flame colour of calcium disappear quickly?
A flame is a constantly upward "moving" chemical reaction. The velocity is dependent on the flow rate of the gases entering the burner. There is an extensive upward motion (on Earth). In a gravity-les …
- 42.6k
3
votes
Colour in muriate of Potash?
If you have seen pink salt crystals from Khewra mines in Pakistan (the so-called Himalayan pink salt) sold at exorbitant rates in grocery stores, you would find out it is nothing but NaCl with a small …
- 42.6k
2
votes
What is the color of a FeS4O6 solution
This is a relatively advanced analytical chemistry question and it requires that you remember the color of all common transition metal ions and their very common precipitates. You have to remember the …
- 42.6k
2
votes
Where is Al2O3 in Al2(SO4)3 coming from?
You are referring to very old analytical methods and analysis. In older times, many analyses were reported as oxides. This practice comes from gravimetric analysis. This practice continues today in fe …
- 42.6k
15
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Why is H2N2O2, and not HNO, called hyponitrous acid?
Let us assume you are discovering hyponitrous acid for the first time. You analyzed the elements and it is found to contain nitrogen, hydrogen and oxygen in a ratio of 1:1:1, and hence the empirical f …
- 42.6k
1
vote
Accepted
Production of hydroxide ions in reactions occuring in alkaline medium
This is not an equilibrium reaction. It just goes to quantitative completion. In other words, the equilibrium constant of this reaction is exceedingly large. The reaction as shown below simply shows
$ …
- 42.6k
0
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How do I know if a reaction is favorable? (High School student)
I am doing a homework question where I have to react NaCl + Something
to get NaOH, and I can't find a reliable source online as to whether a
reaction is possible.
I am glad that you could not find a …
- 42.6k
7
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Reading Graduated Cylinders for a non-transparent liquid
Graduated cylinders are not designed to deliver accurate volumes, so one does not worry about upper or lower meniscus issues with transparent or dark liquids. The best way is to actually measure the v …
- 42.6k
2
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Why does nitrous oxide react with bases and it is still a neutral oxide?
Sad to see such glaring textbook errors. Nitrous oxide solubility in water decreases with increasing concentrations of NaOH. It does not react with NaOH to "form" NaNO.
Search this paper on Google an …
- 42.6k
1
vote
Accepted
Is there a difference between oxidation state and valency?
I think it will help you understand if you know the historical context. The concept of valency existed well before chemical bond, electrons, protons, etc. were known. It is a primitive concept from la …
- 42.6k
1
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When is the activity coefficient greater than 1?
The classic case of having activity coefficient greater than 1 is the solution of very hydrophobic organic solvents in water. For example, if you have toluene or benzene in water, these molecules do n …
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