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.

34 questions with no upvoted or accepted answers
Filter by
Sorted by
Tagged with
5
votes
1answer
253 views

Why does hydrolysis of ADP to AMP yields the same amount of energy as ATP to ADP, if ADP is more stable?

I learned about the resonance stability of ADP and the fact, that ATP is less stable due to intramolecular instability. I was surprised to see that the energy net of conversion of ADP to AMP is the ...
5
votes
0answers
133 views

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 ...
3
votes
0answers
137 views

Hydrolysis of Magnesium Carbide

I came across a question in which the following reaction was taking place: $$ \ce{Mg4C3 + H2O -> CH3CH \bond{#} CH} $$ Each $\ce{Mg}$ atom must be present in a +2 oxidation state, thus the total ...
3
votes
2answers
299 views

Does the salinity in seawater affect the process of alkaline hydrolysis?

I am an architecture student doing a project on crematorium spaces. I am looking at resomation or alkaline hydrolysis as an alternative method of disposition of a body. From what I gather from ...
2
votes
0answers
23 views

Does cellulase catalyze the hydrolysis (or break down) of soluble starch?

I’m attempting to perform an Iodometric redox titration to evaluate the vitamin c concentration in a particular solution. These solution have dissolved within them up to 2% cellulase enzyme. In an ...
2
votes
0answers
283 views

Hydrolysis of an amidine derivative under acidic conditions

I know that an imine can undergo acid hydrolysis to yield a corresponding amide: https://chem.libretexts.org/@api/deki/files/13283/10.jpg?revision=1 But I am looking at a mechanism for acid ...
2
votes
0answers
31 views

Phosphonate reaction with oxides and their stability?

I have read some papers stating that $\ce{SiO2}$ surfaces can bind phosphonates, but in water they hydrolyse. However, for $\ce{Si}$ surfaces, they are stable in water. In both cases, the reaction ...
2
votes
0answers
141 views

Why does water electrolysis use direct current?

Every source I've found regarding water electrolysis says that it's done using direct current (rather than alternating current), but I haven't found a single source that mentions why. Obviously, ...
2
votes
0answers
474 views

proteolysis - how to determine the partial or completeness of the cleavage reaction?

Though the question is about biomolecules, we agree the underlying functions, formation, degradation etc come down to chemistry, (then physics and maths). I am posting it here to receive an ...
2
votes
0answers
141 views

Why does the activation enthalpy of ester hydrolysis increase with an increase in alcohol-chain length?

(Particularly concerning acid hydrolysis) Is there some sort of chemical reason as to why with increasing alcohol-chain length, there is also an increase in the minimum energy needed to cause the ...
1
vote
0answers
41 views

What are the gaseous outputs of electrolysis of Water along with NaOH or KOH?

Theoretically electrolysis of water yields Hydrogen and Oxygen in gaseous form. But to enhance conductivity we have to add an electrolyte like $\ce{NaOH}$ or $\ce{KOH}$. Does this produce any other ...
1
vote
0answers
48 views

Why is Ag+ not hydrolysed?

Usually, strong acid anions and strong base cations don't get hydrolysed. But I've noticed through some questions that $\ce{Ag^+}$ doesn't seem to get hydrolysed, why is that? Is there any concept ...
1
vote
0answers
65 views

What would be the product of this reaction?

A 3 membered carbon ring with a double bond to oxygen from one carbon and a double bond between the remaining carbon with a methyl group attached to one of the carbon is made to undergo acid catalyzed ...
1
vote
0answers
34 views

Why does acid hydrolysis of glucose-1,6-bisphosphate produce glucose-6-phosphate and not glucose-1-phosphate?

A paper I found details treating glucose-1,6-bisphosphate with 6M HCl to produce glucose-6-phosphate. I'm curious why glucose-1-phosphate (and then even plain glucose) isn't formed instead?
1
vote
0answers
32 views

Why isn't the base reformed in base-catalyzed hydrolysis of esters?

In acid-catalyzed hydrolysis, the hydronium ion is clearly reformed; however, in the base-catalyzed hydrolysis, an alcohol is formed as a by-product, but the strong base isn't reformed. Is it a ...
1
vote
0answers
118 views

How does HCl break down amylopectin in starch into amylose?

I'm currently researching on manufacturing bioplastics. During one of the steps, HCl is added to break down amylopectin into amylose, but I don't understand how exactly this happens. It would really ...
1
vote
0answers
27 views

How does pyrosulfate compare to pyrophosphate?

That is, in terms of stability in aqueous solution and the energy released by the hydrolysis of the S-O-S bond compared with pyrophosphate hydrolysis. More specifically, could sulfates substitute ...
1
vote
0answers
61 views

Can a molecular sieve be used increase the saturation of a fructose solution?

The Problem: Let's say we have an experiment where we are attempting to grow rock candy crystals by letting a solution of sugar crystalize on a wooden dowel. However, an error may have been made in ...
1
vote
0answers
420 views

What is the mechanism of saccharification by H2SO4?

We have been estimating total carbohydrate by Umbreit method/ Anthrone method in college. The website I have been reading says that $\ce{H_2SO_4}$ and heat is used to treat a polysaccharide solution ...
1
vote
0answers
51 views

Non-destructive solvents for cyan-salts

What dissolves cyan-salts (NaCN and KCN) without destroying them the way water does via hydrolysis? I have to make my own cyan-salts, so they're somewhat precious to me. Every time I have to ...
1
vote
0answers
207 views

Diffusion into PMMA

My thesis is about effect of cigarette smoke to PMMA polymer, apparently cigarette smoke have some amount of eugenol which is mildly acidic and they will evaporate when the cigarette is burned. In ...
1
vote
0answers
97 views

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
1
vote
1answer
42 views

Cyanide hydrolysis; could it yield an oxime?

The mechanisms for both acid and base catalyzed hydrolysis of nitriles are clear; (With the subsequent deprotonation from the hydroxyl) and (Source) In both cases, the hydroxyl adds to the carbon ...
0
votes
0answers
41 views

Grignard Reagent Facilitates Epoxide Opening

I have read from my textbook, that the opening of an epoxide ring with a strong nucleophile like a Grignard reagent, takes place from a less substituted side, with a higher SN2 character. The acidic ...
0
votes
0answers
42 views

Hydrolysis with cis-1-bromo-4-methylcyclohexane

I have a problem with making the reaktion mechanism Hydrolysis of cis-1-bromo-4-methylcyclohexane. I know that a general hydrolysis looks like but i am not sure how he endproducts of this reaction are ...
0
votes
0answers
51 views

Possibility of removing two water molecules from glycerol

Not a chemist, but from a chemical formula perspective, how hard would it be to create acetone by acidifying glycerol? $$\ce{C3H8O3 + 2 H+ <=> C3H6O + 2 H2O}$$ Has anyone ever heard of this ...
0
votes
0answers
127 views

Mechanism of alkaline hydrolysis of cyclic amide

In this mechanism, I got a pretty different mechanism from the solution. From the model answer, there is an intramolecular proton transfer just before the formation of the carboxylate ion. However, in ...
0
votes
0answers
155 views

Why does CCl4 not undergo hydrolysis while other chlorine-derivatives of methane do?

In one of my textbooks, I came across a question as to why does $\ce{CCl4}$ not undergo hydrolysis. The answer given went along the lines of carbon lacking a vacant d-orbital to accept the lone pair ...
0
votes
0answers
24 views

Efficiency of H production from FeOOH catalyst?

Research has recently found that FeOOH is 25 times better at hydrogen production than titanium dioxide. Today, a new electrolysis plant delivers energy efficiency of around 80%. Is 25x the Honda-...
0
votes
0answers
159 views

Saponification side reactions

When soap is made from triglycerides and NaOH reacting, is saponification the only reaction that occurs or are there other side reactions. Information concerning this issue seems slim online
0
votes
0answers
429 views

Alkoxide as a leaving group in hydrolysis of ester

In the base catalysed hydrolysis the hydroxide ion adds to the ester to form a tetrahedral intermediate, after which the alkoxide ions leave and forms carboxylate ion and alcohol. Also we find the ...
0
votes
0answers
541 views

Steric Factors on reaction with grignard reagent

I was asked to find the products X and Y. For the product X,Here the grignard reagent and even the carbonyl substrate was too sterically hindered to approach the carbonyl center so no reaction would ...
-1
votes
1answer
523 views

Why should hydrolysis break down fat into fatty acid and glycerol?

Fats and lipids are composed of carbon, hydrogen and oxygen. Both esters form different structures at different room temperatures. Now fats and lipids are generally insoluble in polar solvents(water)...
-1
votes
1answer
26 views

Hydrolysis of one mole of peroxydisulphuric acid with one mol. of water produces?

I am having trouble in this question: Hydrolysis of one mole of peroxy disulphuric acid with one mole of water produces : a)two moles of sulphuric acid only b)two moles of peroxymonosulphuric acid c)...