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Why are multidentate ligands preferred to unidentate ligands in complexometric titrations?
Entropic advantage:
[Cu(H2O)6]2+ + EDTA <==>> [Cu(EDTA)]2+ +6H2O
Count your moles: Left side, 2 moles. Right side, 7 moles.
The universe like to move from order to disorder. :-)
Think of the occupy wall street people who would be happier if money all bundled up in some rich person's bank was distributed to the poor...The second law of thermodynamics applied to politics!
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Why ferrous sulphate is not used in redox titration?
Ferrous sulfate is not used in redox titrations because it is easily oxidized by air in a laboratory setting, leading to inaccurate results. It is also easily hydrolyzed in the presence of water, affecting the stability and reliability of the titration. Alternative titrants with more stable and reliable properties, such as potassium permanganate or potassium dichromate, are preferred for redox titrations.
Why methyl orange not used in acid-base titrations?
Methyl orange is not suitable for acid-base titrations because its color change occurs over a broad pH range (pH 3.1 to 4.4), making it less precise for determining the endpoint of the titration. It is also susceptible to interference from other substances present in the solution, leading to inaccurate results. Other indicators, such as phenolphthalein or bromothymol blue, are preferred for acid-base titrations due to their sharper color changes at specific pH values.
Why weak acids are not used for titrations?
Weak acids are not generally used as the titrant in titrations because their pH changes gradually with the addition of base, making it difficult to clearly identify the equivalence point. Strong acids are preferred for titrations because they produce a sharp pH change at the equivalence point, allowing for more accurate endpoint determination.
Which acid is better to use in the laboratory titrations H2SO4 or HCL why?
It depends on the specific requirements of the titration. HCl is a strong acid and may be preferred for titrations where a strong acid is needed, while H2SO4 is a diprotic acid that may be used for more complex reactions requiring two acidic protons. The choice between the two will depend on the specific characteristics of the reaction being studied.
Why do you add H2SO4 instead of HCL in redox titration?
H2SO4 is preferred over HCl in redox titrations because HCl can release Cl2 gas during the reaction, which can interfere with the titration results. H2SO4 provides the necessary acidic conditions for the redox reaction without introducing additional complications.
Why ferrous sulphate is not used in redox titration?
Ferrous sulfate is not used in redox titrations because it is easily oxidized by air in a laboratory setting, leading to inaccurate results. It is also easily hydrolyzed in the presence of water, affecting the stability and reliability of the titration. Alternative titrants with more stable and reliable properties, such as potassium permanganate or potassium dichromate, are preferred for redox titrations.
Why methyl orange not used in acid-base titrations?
Methyl orange is not suitable for acid-base titrations because its color change occurs over a broad pH range (pH 3.1 to 4.4), making it less precise for determining the endpoint of the titration. It is also susceptible to interference from other substances present in the solution, leading to inaccurate results. Other indicators, such as phenolphthalein or bromothymol blue, are preferred for acid-base titrations due to their sharper color changes at specific pH values.
Why weak acids are not used for titrations?
Weak acids are not generally used as the titrant in titrations because their pH changes gradually with the addition of base, making it difficult to clearly identify the equivalence point. Strong acids are preferred for titrations because they produce a sharp pH change at the equivalence point, allowing for more accurate endpoint determination.
Which acid is better to use in the laboratory titrations H2SO4 or HCL why?
It depends on the specific requirements of the titration. HCl is a strong acid and may be preferred for titrations where a strong acid is needed, while H2SO4 is a diprotic acid that may be used for more complex reactions requiring two acidic protons. The choice between the two will depend on the specific characteristics of the reaction being studied.
Why do you add H2SO4 instead of HCL in redox titration?
H2SO4 is preferred over HCl in redox titrations because HCl can release Cl2 gas during the reaction, which can interfere with the titration results. H2SO4 provides the necessary acidic conditions for the redox reaction without introducing additional complications.
What is the past of has preferred?
had preferred
How do you put preferred in a sentence?
I would have preferred to answer another question. What you preferred is not what I want. The judges preferred the other contestant.
What is an example of a sentence using the word preferred?
So what do you like? Is pizza more preferred to you?
Is preferred the same as preferred stocks?
Preferred stocks and preferred are exactly the same thing. Preferred is just an abbreviation that is used so that people in the know can use their jargon.
What is opposite of preferred?
non preferred
Why is starch solution used as indicator in Sodium thiosulphate Iodine titrations instead of phenolphthalein indicator?
Phenolphthalein is an acid base indicator - it does not show the end-point in a thiosulfate type titration. Starch gives a very sharp end-point from a blue-black to colorless end-point when titrating iodine with thiosulfate. Phenolphthalein would just not detect this change.
Why cosine signals are preferred?
The answer depends on preferred to WHAT!
