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Carbon Suboxide
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∙ 11y ago
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What carboxylic acid would decarboxylate by heating?
A classic example of a carboxylic acid decarboxylation occurs in the malonic ester synthesis. The malonic ester synthesis is a chemical reaction where diethyl malonate or another ester of malonic acid is alkylated at the carbon alpha (directly adjacent) to both carbonyl groups, and then converted to a substituted acetic acid. Malonic acid is another example of an acid that will decarboxylate when heated (not sure at what temperature this happens, though)The structure of malonic acid is HOOC-CH2-COOH.
Why Oxalic acid is stonger than malonic acid?
A strong acid has a stabilized conjugate base. Oxalic acid is stronger than malonic acid because its conjugate base has much more resonance structures than malonic acid's conjugate base.
Is malonic acid a diprotic acid?
Yes, it is diprotic, HOOC-CH2-COOH
What happens when concentrated sulphuric acid is heated with oxalic acid?
product is formed
What happens when oxalic acid is heated with concentrated sulphuric acid?
product is formed
What carboxylic acid would decarboxylate by heating?
A classic example of a carboxylic acid decarboxylation occurs in the malonic ester synthesis. The malonic ester synthesis is a chemical reaction where diethyl malonate or another ester of malonic acid is alkylated at the carbon alpha (directly adjacent) to both carbonyl groups, and then converted to a substituted acetic acid. Malonic acid is another example of an acid that will decarboxylate when heated (not sure at what temperature this happens, though)The structure of malonic acid is HOOC-CH2-COOH.
Why Oxalic acid is stonger than malonic acid?
A strong acid has a stabilized conjugate base. Oxalic acid is stronger than malonic acid because its conjugate base has much more resonance structures than malonic acid's conjugate base.
What is Malonic acids role with respect to succinate dehydrogenase?
Malonic acid is a competitive inhibitor of succinate dehydrogenase.
Is malonic acid a diprotic acid?
Yes, it is diprotic, HOOC-CH2-COOH
What happens when concentrated sulphuric acid is heated with oxalic acid?
product is formed
What happens when oxalic acid is heated with concentrated sulphuric acid?
product is formed
What is the purpose of using malonic acid in this experiment?
it is a competitive inhibitor
A solution of malonic acid h2c3h2o4 was standardized by titration with 0.1000 M Naoh solution if 20.76 ml of the naoh solution were required to neutralize completely 13.15 ml of malonic acid solution?
.0899M
Is P2O5 acid or base?
P2O5, or phosphorous pentoxide, is an oxide. Oxides can be basic, acidic or amphoteric. P2O5, because it dissolves in a base, is considered acidic.
Find out the property of P2O5?
It is an acid forming (non metallic) oxide. P2O5 + 3 H2O => 2 H3PO4
What happens when ethanol is heated in presence of concentrated H2SO4?
ethanoic acid is formed
How many protons can be lost by acetic acid HC2H3O2?
Malonic acid has pKa values of 2.83 (pK1) and 5.69 (pK2). If malonic esters are used then on treatment with a strong base like sodium ethoxide, the methylene (-CH2-) hydrogen can be deprotonated, but I am not sure if that is possible for malonic acid as that will lead to a tri-anion.
