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Results tagged with inorganic-chemistry
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user 115228
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.
0
votes
1
answer
1k
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Cobalt glass colour of potassium as
Question:
Cobalt glass colour of potassium as:
A) Crimson red
B) Lilac
C) Apple green
D) Brick red
I thought option B as true because on flame test, potassium gives lilac colour. But the given answe …
- 1,664
-4
votes
1
answer
359
views
Why sodium metabisulphite is not an oxidising agent? [closed]
We know that the maximum possible oxidation state of sulphur is $+6$. Whereas the oxidation states of sulphur in sodium metabisulphite are $+3$ and $+5$. Can't these oxidation states reduces to a lowe …
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1
vote
What is the role of hydration enthalpy in oxidation?
In aqueous solutions, halogens are powerful oxidising agents (especially fluorine). Let us confine our discussion to fluorine and chlorine. Oxidising ability can be demonstrated using the enthalpy cha …
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1
vote
Accepted
Can chloride donate an electron pair to silver(I)?
If $\mathrm{Cl^-}$ donates a pair of electrons to $\mathrm{Ag^+}$, there should be a coordinate covalent bond between them. In reality, $\mathrm{AgCl}$ is an ionic compound, and there is no such coor …
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3
votes
1
answer
203
views
Common-ion effect vs complexation
Quoting from Wikipedia,
The common-ion effect refers to the decrease in solubility of an ionic precipitate by the addition to the solution of a soluble compound with an ion in common with the precipi …
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9
votes
0
answers
201
views
Why are vapours of xenon hexafluoride coloured?
According to Wikipedia,
[...] It is a colorless solid that readily sublimes into intensely yellow vapors.
It is clear from the above statement that $\ce{XeF6}$ is colourless in solid form. But why s …
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4
votes
1
answer
841
views
What is the colour of cesium?
I am confused with the color of cesium. Some websites and books say that it is a silvery white metal, and some say it has a golden colour, and some say it has a silvery golden colour.
Among these colo …
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3
votes
Why are group 13 compounds in the +1 oxidation state more ionic than those in the +3 oxidati...
It can be explained by fajans' rules. As the positive charge on an atom increases its size decreases as a result polarising power increases. If polarising power increases then it distorts the electron …
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3
votes
Why is octasulfur present in equation for standard enthalpy of formation of sulfuric acid?
Here is a definition of standard enthalpy of formation from Wikipedia.
The standard enthalpy of a compound is the change of enthalpy in formation of one mole of the substance from its constituent ele …
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6
votes
Accepted
Colour of diamagnetic compounds using Crystal Field Theory
As Porphyrin already stated in his answer, diamagnetism/paramagnetism has nothing to do with the colour of the compound.
Are d-d transitions possible in diamagnetic complexes?
It depends on the ener …
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4
votes
Under what conditions does manganese dioxide lose its catalytic property?
Catalyst is a substance which alters the rate of reaction without being consumed in it. It doesn't mean that catalyst doesn't participate in the reaction. It does react with reactants as Poutnik alrea …
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8
votes
1
answer
2k
views
What theory accurately explains metallic bonding in beryllium?
Since beryllium is an alkaline earth metal, the bonds between beryllium atoms could be considered metallic and we can use molecular orbital theory (MOT) to explain metallic bonds in metals.
Consider m …
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