Unanswered Questions
8,724 questions with no upvoted or accepted answers
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If Standard Reduction Potential and Standard Oxidation potential are equal in magnitude and opposite in sign?
If Standard Reduction Potential(SRP) and Standard Oxidation potential(SOP) are equal in magnitude and opposite in sign ,
Then as per this
As we know SRP of H2O is -0.83 V as per this SOP of H2O should ...
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Can you infer toxicity of an ionic compound based on the toxicity of its ions in other configurations?
Suppose I have two ionic compounds: "NaY" and "XCl". If these were both 'safe' to eat, would it be true that ...
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Functional group for glycine that had being titrated (i) HCl (ii)NaOH
i am kinda confused with this question. They asked for the functional group of (i) glycine hydrochloride (ii) glycine that titrated with NaOH. I did take a look many times especially for glycine ...
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Why Silica and normal alumina can damage or destroy many metal complexes?
in case of organic ligand there r several techniques for purification,but in case of metal complex(Cr,Mn,Fe,Co) with schiff base , i have not seen any literature for the purification of them except ...
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Percentage of yield reaction question
By bubbling $\ce{Cl2}$ in a solution containing $176.6~\mathrm{g}$ of $\ce{MgBr2}$ are obtained [sic!] $135~\mathrm{g}$ of $\ce{Br2}$. However, the yield of this reaction is not $100~\%$. How many ...
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Preparation of potassium cyanide from potassium ferrocyanide via HCN
Does anyone have any experience with the preparation of potassium cyanide from potassium ferrocyanide via $\ce{HCN}$ method? I did some math and am going to proceed eventually, any advice would be ...
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Neutralization Reaction problem
$\frac x4$ equivalent of $\ce{NaAl(OH)2CO3}$ is neutralized by $x$ equivalent of $\ce{HCl}$
Milliequivalent of $$\ce{HCl}=\mathrm{{160}\times{0.25}\times{1}\times{40}}/100=16$$
$1$ is for one $\ce{H+...
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Exceptions in ionization energies of Oxygen and Nitrogen
We all know that it is difficult to remove an electron from atoms that are half-filled or fully filled. Thus they have higher ionization energy.
But today my teacher said that $N^{-3}$ has a lower ...
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In school, I learnt that Potassium is the most reactive element in the reactivity series. I thought it was Francium?
In school, I learnt that Potassium is the most reactive element in the reactivity series. In the periodic table, the further you go down the more reactive the elemnt is. If this is true, then shouldn'...