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Give reason : The monoamino monocarbox...

Give reason :
The monoamino monocarboxylic acids have two p Ka values.

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To understand why monoamino monocarboxylic acids have two pKa values, let's break down the explanation step by step. ### Step-by-Step Solution: 1. **Definition of Monoamino Monocarboxylic Acids**: - Monoamino monocarboxylic acids are organic compounds that contain one amino group (-NH2) and one carboxylic acid group (-COOH). 2. **Structure of Amino Acids**: ...
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Which dicarboxylic acid on heating given monocarboxylic acid with two carbon aotoms ?

(b) Give reasons : (i) p-Nitrobenzoic acid has higher K_(a) value than benozic acid (ii) Acetone is soluble in water but benzophenone is not.

Dicarboxylic acids have two carboxylic groups, e.g., Acidity of dicarboxylic acid depends upon the stability of intermediate ion and upon the distance between two carboxylic groups. Shorter the distance between two carboxylic groups, greater is the acidic character. Melting point of these acids depends on the symmetry. Greater the symmetry, higher will be the melting point. Dicarboxylic acids on heating give monocarboxylic acid allkanes, cyclic ketones depending on the conditions Which of the following dicarboxylic acids, will give monocarboxylic acid on heating ?

An amino acid is characterized by two pKa values the one corresponding to the more acidic site is designated as pKa_(1) and the other corresponding to the less site is designated as pKa_(2) . Some amino acids have side chain with acidic or basic groups. These amino acids have pKa_(3) value also for the side chain. |{:(S.No,"Amino acid",P^(Ka1),P^(Ka2),P^(Ka3)" (Side chain)"),(I,"Aspartic acid",1.88,9.6,3.65),(II,"Glutamic acid",2.19,9.67,4.25),(III,"Lysine",2.18,8.95,10.53),(IV,"Arginine",2.17,9.04,12.48):}| The isoelectric point (pI) of Aspartic acid and lysine will be respectively :

Dicarboxylic acids have carboxylic groups e.g. HOOC-COOH,oxalic acid HOOC -CH_(2)- COOH-Maloic acid HOOC- (CH_(2))_(3) -COOH-Glutaric acid HOOC, (CH_(2))_(4) -COOH,-Adipic acid Acidity of dicarboxylic acids depends upon the stabillity of intermediate ion and upon the distance between two carboxylic groups. shorter the distance between two carboxylic groups, greater is the acididc character. Melting point of the acids depends on the symmetry. greater the symmetry, higher will be the mp. Dicarboxylic acids on heating give monocarboxylic acid, alkanes, cyclic ketones dependings on the conditions. Sodium adipate on electrolysis gives :

CBSE COMPLEMENTARY MATERIAL-BIOMOLECULES-SHORT ANSWER-I TYPE QUESTION
  1. Name the products of hydrolysis of sucrose. Why is sucrose not a reduc...

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  2. State clearly what are known as nucleotides and nucleosides.

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  3. Describe what do you understand by primary structure and secondary str...

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  4. What is essentially the difference between alpha-form of glucose and b...

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  5. What are anomers ? Give the structures of two anomers of glucose.

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  6. Write the hydrolysed product of : (i) Maltose (ii) Cellul...

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  7. Acetylation of glucose with acetic anhydride gives glucose penta-aceta...

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  8. Explain why glucose penta acetate does not react with hydroxylamine ?

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  9. What are vitamins ? How are they classified ?

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  10. Write the products of oxidation of glucose with : Bromine water

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  11. Write the products of oxidation of glucose with : Nitric acid

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  12. State two main differences between globular and fibrous proteins.

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  13. Name the disease caused by deficiency of vitamin D.

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  14. Why cannot vitamin C be stored in our body ?

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  15. Name the constituents of starch and what is the difference between the...

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  16. What are essential and non-essential amino acids ? Give two examples o...

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  17. Give reason : On electrolysis in acidic solution amino acids migrate...

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  18. Give reason : The monoamino monocarboxylic acids have two p Ka value...

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  19. Coagulation of egg white on boiling is an example of denaturation of p...

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  20. Describe two important functions of nucleic acids.

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