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In a solution of pH 11, will glycine exi...

In a solution of pH 11, will glycine exist as an anion or cation ?

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as anion
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Glycine [NH_(2)CH_(2)COOH) is basic and acidic due to presence of -NH_(2) and -COOH group. It acquires a H^(o+) to form overset(o+)NH_(3)COOH , which is a diprotic acid with K_(1) = 4.5 5 xx10^(-3) and K_(2) = 1.7 xx 10^(-10) . In a 0.01M solution of neutral glycine, a. What is the pH and b. What percent of the glycine is in the cationic form at equilibrium?

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ICSE-BIOMOLECULES-ISC EXAMINATION QUSTIONS (PART-I)(DESCRIPTIVE QUESTIONS)
  1. In a solution of pH 11, will glycine exist as an anion or cation ?

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  2. An example of fibrous protein is :

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  3. What class of compounds are got by the complete hydrolysis of simple p...

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  4. How will you convert glucose to gluconic acid ? Write the relevant equ...

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  5. What are peptides?

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  6. How will you convert glucose to osazone?

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  7. Compare the components that constitute DNA and RNA.

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  8. Give one test to distinguish glucose and fructose.

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  9. How will you show the amphoteric nature of glycine? Mention the pH val...

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  10. Write the relavent equations to convert fructose to osazone.

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  11. Give one test to distinguish between starch and cellulose

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  12. How will you convert chloroacetic acid to glycine?

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  13. How will you distinguish between glucose and sucrose ? Give one good c...

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  14. How will you convert glucose to saccharic acid ?

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  15. Give one example of a fibrous protein.

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  16. Deficiency of what vitamins will cause the following diseases: (i) N...

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  17. (i) What type of isomers are glucose and fructose ? (ii) Name the fu...

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  18. The deficiency of which vitamin will cause the following diseases: (...

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  19. (i) What do you observe when glucose is treated with bromine water? ...

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  20. What is the effect of denaturation on the structure of proteins?

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  21. Name the nitrogen base residues present in DNA ?

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