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Match the systems in Column I with their corresponding characterstics from Column II
Codes
- a)a
- b)b
- c)c
- d)d
Correct answer is option 'A'. Can you explain this answer?
Verified Answer
Match the systems in Column I with their corresponding characterstics ...
The correct answer is option A
Butanone has three tautomers other than the mentioned compound itself and acts as a H-bond acceptor
3-pentanone has two tautomers other than the mentioned compound itself and acts as a H-bond acceptor
Methanamide has two tautomers other than the mentioned compound itself, forms intermolecular H-bonds with its own molecules and acts as a H-bond acceptor
Ethane nitrile has two tautomers other than the mentioned compound itself and acts as a H-bond acceptor
1. Butanone has three tautomers other than the mentioned compound itself and acts as an H-bond acceptor.
• Butanone (CH3- CO - CH2CH3) can exist in different tautomeric forms. The keto form is the most stable, but it can also undergo keto-enol tautomerism. However, saying it has three tautomers may be misleading. It primarily exists as the keto form with a minor contribution from the enol form. Also, ketones like butanone can act as H-bond acceptors due to the oxygen atom in the carbonyl group. So the statement is correct.
2. 3-pentanone has two tautomers other than the mentioned compound itself and acts as an H-bond acceptor.
• 3-pentanone (CH3- CO - CH2CH2- CH3) can undergo keto-enol tautomerism, so it has an enol form as a tautomer. Also, ketones can act as H-bond acceptors. So the statement is correct.
3. Methanamide has two tautomers other than the mentioned compound itself, forms intermolecular H-bonds with its own molecules, and acts as an H-bond acceptor.
• Methanamide (HCONH2) can exist in different tautomeric forms due to the possibility of hydrogen migration. It can form intermolecular H-bonds with its own molecules, and as an amide, it acts as an H-bond acceptor. So the statement is correct.
4. Ethane nitrile has two tautomers other than the mentioned compound itself and acts as an H-bond acceptor.
• Ethane nitrile (CH3CH2- CN) can undergo tautomerism involving the movement of a hydrogen atom. Also, nitriles like ethane nitrile can act as H-bond acceptors due to the electronegative nitrogen atom. So the statement is correct
• Butanone (CH3- CO - CH2CH3) can exist in different tautomeric forms. The keto form is the most stable, but it can also undergo keto-enol tautomerism. However, saying it has three tautomers may be misleading. It primarily exists as the keto form with a minor contribution from the enol form. Also, ketones like butanone can act as H-bond acceptors due to the oxygen atom in the carbonyl group. So the statement is correct.
2. 3-pentanone has two tautomers other than the mentioned compound itself and acts as an H-bond acceptor.
• 3-pentanone (CH3- CO - CH2CH2- CH3) can undergo keto-enol tautomerism, so it has an enol form as a tautomer. Also, ketones can act as H-bond acceptors. So the statement is correct.
3. Methanamide has two tautomers other than the mentioned compound itself, forms intermolecular H-bonds with its own molecules, and acts as an H-bond acceptor.
• Methanamide (HCONH2) can exist in different tautomeric forms due to the possibility of hydrogen migration. It can form intermolecular H-bonds with its own molecules, and as an amide, it acts as an H-bond acceptor. So the statement is correct.
4. Ethane nitrile has two tautomers other than the mentioned compound itself and acts as an H-bond acceptor.
• Ethane nitrile (CH3CH2- CN) can undergo tautomerism involving the movement of a hydrogen atom. Also, nitriles like ethane nitrile can act as H-bond acceptors due to the electronegative nitrogen atom. So the statement is correct
Most Upvoted Answer
Match the systems in Column I with their corresponding characterstics ...
The correct answer is option A
i. Butanone- q) Has three tautomers other than the mentioned compound.
s) Acts as H-bonds acceptor.
ii. 3-pentanone- p) has two tautomer’s other than the mentioned compound itself
s) Acts as H-bonds acceptor.
iii. Methanamide - p) has two tautomer’s other than the mentioned compound itself
r) Form intermolecular H-bonds with its own molecules.
s) Acts as H-bonds acceptor.
Iv. Ethane nitrite - p) has two tautomer’s other than the mentioned compound itself
s) Acts as H-bonds acceptor.
i. Butanone- q) Has three tautomers other than the mentioned compound.
s) Acts as H-bonds acceptor.
ii. 3-pentanone- p) has two tautomer’s other than the mentioned compound itself
s) Acts as H-bonds acceptor.
iii. Methanamide - p) has two tautomer’s other than the mentioned compound itself
r) Form intermolecular H-bonds with its own molecules.
s) Acts as H-bonds acceptor.
Iv. Ethane nitrite - p) has two tautomer’s other than the mentioned compound itself
s) Acts as H-bonds acceptor.
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Match the systems in Column I with their corresponding characterstics ...
1-p
2-q
3-r
4-s
2-q
3-r
4-s
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Match the systems in Column I with their corresponding characterstics from Column IICodes a)ab)bc)cd)dCorrect answer is option 'A'. Can you explain this answer? for Class 11 2025 is part of Class 11 preparation. The Question and answers have been prepared according to the Class 11 exam syllabus. Information about Match the systems in Column I with their corresponding characterstics from Column IICodes a)ab)bc)cd)dCorrect answer is option 'A'. Can you explain this answer? covers all topics & solutions for Class 11 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Match the systems in Column I with their corresponding characterstics from Column IICodes a)ab)bc)cd)dCorrect answer is option 'A'. Can you explain this answer?.
Match the systems in Column I with their corresponding characterstics from Column IICodes a)ab)bc)cd)dCorrect answer is option 'A'. Can you explain this answer? for Class 11 2025 is part of Class 11 preparation. The Question and answers have been prepared according to the Class 11 exam syllabus. Information about Match the systems in Column I with their corresponding characterstics from Column IICodes a)ab)bc)cd)dCorrect answer is option 'A'. Can you explain this answer? covers all topics & solutions for Class 11 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Match the systems in Column I with their corresponding characterstics from Column IICodes a)ab)bc)cd)dCorrect answer is option 'A'. Can you explain this answer?.
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