Explain the following 1. difference between pka1 and pka2 for carboxylic acids of the type HOOC(CH2)COOH decreases as n increases   2. Arrange oxalic,manolic,succinic, and glutanic acids in order of activity( first ionisation). How do you account for this order?

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Chapter1: Chemical Foundations
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Explain the following

1. difference between pka1 and pka2 for carboxylic acids of the type HOOC(CH2)COOH decreases as n increases

 

2. Arrange oxalic,manolic,succinic, and glutanic acids in order of activity( first ionisation). How do you account for this order?

SSigiment
Explain the following.
(a) Is the pKa,for dicarboxylic acids greater or smaller than the pKa
for a monocarboxylic acid with the same number of carbon atoms?
(b)The difference between pKa,and pKa, for dicarboxylic acids of
the type HOOC(CH,),COOH decreases as n increases.
(c) Arrange oxalic, malonic, succinic, and glutaric acids in order of acidity
(first ionization). How do you account for this order?
Note: Acids in which their two carboxyl groups separated by a chain of more
than five carbon atoms (n>5) normally behave more or less independently of
one another.
Transcribed Image Text:SSigiment Explain the following. (a) Is the pKa,for dicarboxylic acids greater or smaller than the pKa for a monocarboxylic acid with the same number of carbon atoms? (b)The difference between pKa,and pKa, for dicarboxylic acids of the type HOOC(CH,),COOH decreases as n increases. (c) Arrange oxalic, malonic, succinic, and glutaric acids in order of acidity (first ionization). How do you account for this order? Note: Acids in which their two carboxyl groups separated by a chain of more than five carbon atoms (n>5) normally behave more or less independently of one another.
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