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All natural amino acids, except one, react with cold nitrous acid and produce nitrogen gas. Which one of the following is that odd amino acid:
- a)Tryptophan
- b)Glycine
- c)Proline
- d)Hist idine
Correct answer is option 'C'. Can you explain this answer?
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All natural amino acids, except one, react with cold nitrous acid and ...
Explanation:
Amino acids are organic compounds that contain both an amino group (-NH2) and a carboxyl group (-COOH). They are the building blocks of proteins and play an essential role in various biological processes. When amino acids react with cold nitrous acid (HNO2), they undergo a process known as nitrosation, where the amino group is replaced by a nitroso group (-NO).
All natural amino acids, except one, react with cold nitrous acid and produce nitrogen gas. This is due to the fact that the nitroso group (-NO) in nitrous acid reacts with the amino group (-NH2) in amino acids to form a diazonium salt, which then decomposes to form nitrogen gas (N2). However, one amino acid does not undergo this reaction, and that is proline.
The reason why proline is the odd amino acid is because of its unique structure. Proline is an imino acid, which means it has an additional nitrogen atom in its ring structure. This nitrogen atom is not a part of the amino group, and therefore, it cannot react with nitrous acid to form nitrogen gas. Instead, the nitroso group in nitrous acid reacts with the carboxyl group (-COOH) in proline to form a nitrite salt.
In summary, all natural amino acids, except proline, react with cold nitrous acid to produce nitrogen gas. Proline does not undergo this reaction due to its unique structure, which prevents the amino group from reacting with nitrous acid.
Amino acids are organic compounds that contain both an amino group (-NH2) and a carboxyl group (-COOH). They are the building blocks of proteins and play an essential role in various biological processes. When amino acids react with cold nitrous acid (HNO2), they undergo a process known as nitrosation, where the amino group is replaced by a nitroso group (-NO).
All natural amino acids, except one, react with cold nitrous acid and produce nitrogen gas. This is due to the fact that the nitroso group (-NO) in nitrous acid reacts with the amino group (-NH2) in amino acids to form a diazonium salt, which then decomposes to form nitrogen gas (N2). However, one amino acid does not undergo this reaction, and that is proline.
The reason why proline is the odd amino acid is because of its unique structure. Proline is an imino acid, which means it has an additional nitrogen atom in its ring structure. This nitrogen atom is not a part of the amino group, and therefore, it cannot react with nitrous acid to form nitrogen gas. Instead, the nitroso group in nitrous acid reacts with the carboxyl group (-COOH) in proline to form a nitrite salt.
In summary, all natural amino acids, except proline, react with cold nitrous acid to produce nitrogen gas. Proline does not undergo this reaction due to its unique structure, which prevents the amino group from reacting with nitrous acid.
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All natural amino acids, except one, react with cold nitrous acid and ...
Bcoz its has 2degree nh grouop
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All natural amino acids, except one, react with cold nitrous acid and produce nitrogen gas. Which one of the following is that odd amino acid:a)Tryptophanb)Glycinec)Prolined)Hist idineCorrect answer is option 'C'. Can you explain this answer?
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