Questions tagged [hydrolysis]

Hydrolysis refers to any reaction with water. For example, it may be said that ammonia hydrolyzes in water to produce ammonium ion and hydroxide ion.

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2answers
10k views

Why is ATP, but not ADP or AMP, a sole source of energy?

Why are three phosphate groups (such as in ATP) required for release of energy, but not two (ADP) or one (AMP) phosphates? How does breaking the phosphate bond release energy?
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Hydrolysis of Radiolabeled Esters

Hydrolysis of C$_6$H$_5$COO$^{18}$CH$_3$ with aqueous NaOH produces what final product. (a) CH$_3$$^{18}$OH (b) CH$_3$CO$^{18}$ONa (c) CH$_3$C$^{18}$OONa (d) CH$_3$$^{18}$ONa (e) CH$_3$OH The ...
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2answers
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Why is HCl used in hydrolysis of sucrose?

I am aware that $\ce{HCl}$ can be used to help speed up the hydrolysis of sucrose but I haven't really been able to find out why. I've read somewhere that the glycosidic link in sucrose is broken off ...
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1answer
319 views

Does evaporation reverse salt hydrolysis?

It has been a long time since I studied organic chemistry, but one thing I do remember is that when we needed cyanide salts we were told not to bother keeping any remaining solution because the salts ...
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1answer
641 views

steam distillation of 4-bromoaniline , why render it basic prior

In the multistage synthesis of 4-bromobenzenamine, why must the solution be rendered alkaline prior to the steam distillation after the hydrolysis of 4-bromo-N-ethanoylbenzenamine?
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1answer
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Comparing the Lewis acidity of carbon tetrafluoride and silicon tetrafluoride

I've been asked to compare the relative acidity of $\ce{CF4}$ and $\ce{SiF4}$. As both atoms have noble gas configurations, neither can act as a lewis acid and so I assume the question is inferring ...
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1answer
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How is it possible, that the hydrolysis of ethers proceed via a SN2 mechanism?

Ethers on hydrolysis with dilute $\ce{H2SO4}$ under pressure produce alcohols. This is basically a type of acidic cleavage of ethers by the SN2 mechanism. (source) There is inversion of ...
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4answers
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What an aqueous solution really contains?

I want to know what an aqueous solution is. For example, let's consider a $1~\mathrm{M}$ aqueous solution of $\ce{MgCl2}$. Does it also contain $\ce{MgOH2}$? Though it is a simple question, I feel it ...
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1answer
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Partial hydrolysis of XeF6

What are the products of partial hydrolysis of $\ce{XeF_6}$? Is $\ce{XeOF_4}$ formed or $\ce{XeO_2F_2}$ is formed?
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Slow acidification process

I'm trying to find a substitute of Glucono delta-lactone (GDL). This food additive is usually used to produce silk tofu. Because of its slow hydrolysis the pH decreases very smoothly, which results in ...
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1answer
452 views

How to apply the Henderson–Hasselbalch equation when adding KOH to an acidic acid buffer?

Will the Henderson–Hasselbalch equation be able to calculate the pH when you have an acidic solution and you add a basic solution? Will that be possible or can you only use it for adding an acid to an ...
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1answer
174 views

Hydrolysing large molecules to reveal amino acids

Consider Oxytocin: I am asked to hydrolyze Oxytocin and reveal 5 amino acids which are the result of this hydrolysis. I must admit I have no idea where to begin. I know that generally amino acids ...
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1answer
203 views

How do I know which atoms react during hydrolysis?

In the hydrolysis of propanamide ($\ce{CH3CH2CONH2}$) how do I know which molecules react with the water? $$ \ce{CH3CH2CONH2 + H2O -> ?} $$ I don't know how to split the molecule. In the videos ...
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1answer
313 views

Acid-catalyzed hydrolysis of diphenyl malonate

What are the complete, acid-catalyzed hydrolysis products (with application of heat) of diphenyl malonate? According to me, they are phenol, carbon dioxide, and acetic acid. The aqueous acid and ...
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2answers
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Why does dimethyl dichlorosilane undergo hydrolysis to form siloxane polymers, but its carbon analog does not?

Dimethyl dichlorosilane will undergo hydrolysis to form siloxane polymers. But why would its carbon analog dimethyl dichlorocarbon not be able to undergo a similar hydrolysis reaction to form polymers?...
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2answers
5k views

How does alkaline hydrolysis of peptides occur?

I have been learning about zwitterions and the isoelectric point, and have been trying to apply this to hydrolysis of peptides. From the diagram in my textbook, I can see that when acid hydrolysis ...
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1answer
487 views

Hydrolysis of salt

The hydrolysis of salt tells you whether a salt is acidic or basic. But it does not tell you how acidic or basic a salt is. Is there a way to determine this? My guess is that taking of the weak base ...
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1answer
10k views

Hydrolysis of cyanohydrin

The question is(See image): I know that initially a cyanohydrin will be formed. On reaction with $\ce{H2SO4}$, the cyanohydrin will give a carboxylic acid/an amide. Here's my doubt: Since the ...
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1answer
172 views

How come the same reaction can be balanced in two distinct ways?

I faced this reaction which can be balanced in $2$ distinct ways which are not multiples of each other. $$\begin{align}\ce{6XeF4 + 12H2O &-> 2XeO3 + 24HF + 4Xe + 3O2}\tag{1}\\[0.4em] \ce{4XeF4 ...
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1answer
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What makes C=O more stable that C(OH)₂

When there are $2$ hydroxy groups on same carbon, they tend to undergo dehydration ( of course with exceptions like chloral where $\ce H$ bonding prevails). Why does this happen? We are breaking a ...
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2answers
1k views

Determine products of NH4NO3 hydrolysis [closed]

What are the products of the following hydrolysis reaction? How do you know? $$\ce{NH4NO3 + H2O <=> ?}$$
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4answers
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Unexpected reaction during acid hydrolysis of cellulose

Recently I tried to hydrolyze some cellulose: I added some acid to it ($\ce{H2SO4}$) then noticed nothing. Even after a few days there was no visible change and after doing some tests for glucose, ...
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0answers
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Is there a correlation between the susceptibility of a polymer to undergo hydrolysis and its melting point?

As per topic, I was wondering why the Tm of the polymers PGA, PLA and PLGA are in the following order. Does it correlate to their ability to undergo hydrolysis? PGA>PLA>PLGA
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1answer
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SN1 like reaction acid-cataylzed hydrolysis of epoxide [closed]

What would be the reaction mechanism for the reaction between epoxide and $\ce{H2SO4}$?

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