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Structural Isomerism

CHXI12:ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES

317678 Assertion :
\(\mathrm{HO}-\mathrm{CH}=\mathrm{CH}-\mathrm{CH}_{3}\) exhibits ketoenol tautomerism.
Reason :
Intermediate formed is a carbocation.

1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.

2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.

3 Assertion is correct but Reason is incorrect.

4 Assertion is incorrect but Reason is correct.

CHXI12:ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES

317679 Which pair of following tautomers called as Diad system?

1 \(\mathrm{H}-\mathrm{O}-\mathrm{C} \equiv \mathrm{N} \rightleftharpoons \mathrm{O}=\mathrm{C}=\mathrm{N}-\mathrm{H}\)

2 \({\text{H}} - {\text{C}} \equiv {\text{N}} \rightleftharpoons {\text{C}}\overleftarrow = {\text{N}} - {\text{H}}\)

3 \(\mathrm{CH}_{3}-\mathrm{CH}_{2}-\mathrm{CH}=\mathrm{O} \rightleftharpoons \mathrm{CH}_{3}-\mathrm{CH}=\mathrm{CH}-\mathrm{OH}\)

4 \(\mathrm{CH}_{3}-\mathrm{COCH}_{2} \mathrm{COOC}_{2} \mathrm{H}_{5} \rightleftharpoons\)
\(\mathrm{CH}_{3}-\mathrm{C}=\mathrm{CH}-\mathrm{COOC}_{2} \mathrm{H}_{5}\)

CHXI12:ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES

317680 Match Column I with Column II.
supporting img

Choose the correct answer from the options given below:

1 A - Q , B - R, C - P, D - S

2 A - R, B - P, C - S, D - Q

3 A - R, B - S, C - P, D - Q

4 A - S, B - R, C - P, D - Q

JEE - 2023

CHXI12:ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES

317681 Which of the following isomerism is shown by ethyl acetoacetate?

1 Geometrical isomerism

2 Keto-enol tautomerism

3 Enantiomerism

4 Diastereoisomerism

CHXI12:ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES

317682 The type of isomerism observed in urea molecule is

1 Chain

2 Position

3 Geometrical

4 Tautomerism

AIIMS - 2007

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CHXI12:ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES

317678 Assertion :
\(\mathrm{HO}-\mathrm{CH}=\mathrm{CH}-\mathrm{CH}_{3}\) exhibits ketoenol tautomerism.
Reason :
Intermediate formed is a carbocation.

1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.

2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.

3 Assertion is correct but Reason is incorrect.

4 Assertion is incorrect but Reason is correct.

CHXI12:ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES

317679 Which pair of following tautomers called as Diad system?

1 \(\mathrm{H}-\mathrm{O}-\mathrm{C} \equiv \mathrm{N} \rightleftharpoons \mathrm{O}=\mathrm{C}=\mathrm{N}-\mathrm{H}\)

2 \({\text{H}} - {\text{C}} \equiv {\text{N}} \rightleftharpoons {\text{C}}\overleftarrow = {\text{N}} - {\text{H}}\)

3 \(\mathrm{CH}_{3}-\mathrm{CH}_{2}-\mathrm{CH}=\mathrm{O} \rightleftharpoons \mathrm{CH}_{3}-\mathrm{CH}=\mathrm{CH}-\mathrm{OH}\)

4 \(\mathrm{CH}_{3}-\mathrm{COCH}_{2} \mathrm{COOC}_{2} \mathrm{H}_{5} \rightleftharpoons\)
\(\mathrm{CH}_{3}-\mathrm{C}=\mathrm{CH}-\mathrm{COOC}_{2} \mathrm{H}_{5}\)

CHXI12:ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES

317680 Match Column I with Column II.
supporting img

Choose the correct answer from the options given below:

1 A - Q , B - R, C - P, D - S

2 A - R, B - P, C - S, D - Q

3 A - R, B - S, C - P, D - Q

4 A - S, B - R, C - P, D - Q

JEE - 2023

CHXI12:ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES

317681 Which of the following isomerism is shown by ethyl acetoacetate?

1 Geometrical isomerism

2 Keto-enol tautomerism

3 Enantiomerism

4 Diastereoisomerism

CHXI12:ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES

317682 The type of isomerism observed in urea molecule is

1 Chain

2 Position

3 Geometrical

4 Tautomerism

AIIMS - 2007

For More Updates join with Us

CHXI12:ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES

317678 Assertion :
\(\mathrm{HO}-\mathrm{CH}=\mathrm{CH}-\mathrm{CH}_{3}\) exhibits ketoenol tautomerism.
Reason :
Intermediate formed is a carbocation.

1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.

2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.

3 Assertion is correct but Reason is incorrect.

4 Assertion is incorrect but Reason is correct.

CHXI12:ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES

317679 Which pair of following tautomers called as Diad system?

1 \(\mathrm{H}-\mathrm{O}-\mathrm{C} \equiv \mathrm{N} \rightleftharpoons \mathrm{O}=\mathrm{C}=\mathrm{N}-\mathrm{H}\)

2 \({\text{H}} - {\text{C}} \equiv {\text{N}} \rightleftharpoons {\text{C}}\overleftarrow = {\text{N}} - {\text{H}}\)

3 \(\mathrm{CH}_{3}-\mathrm{CH}_{2}-\mathrm{CH}=\mathrm{O} \rightleftharpoons \mathrm{CH}_{3}-\mathrm{CH}=\mathrm{CH}-\mathrm{OH}\)

4 \(\mathrm{CH}_{3}-\mathrm{COCH}_{2} \mathrm{COOC}_{2} \mathrm{H}_{5} \rightleftharpoons\)
\(\mathrm{CH}_{3}-\mathrm{C}=\mathrm{CH}-\mathrm{COOC}_{2} \mathrm{H}_{5}\)

CHXI12:ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES

317680 Match Column I with Column II.
supporting img

Choose the correct answer from the options given below:

1 A - Q , B - R, C - P, D - S

2 A - R, B - P, C - S, D - Q

3 A - R, B - S, C - P, D - Q

4 A - S, B - R, C - P, D - Q

JEE - 2023

CHXI12:ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES

317681 Which of the following isomerism is shown by ethyl acetoacetate?

1 Geometrical isomerism

2 Keto-enol tautomerism

3 Enantiomerism

4 Diastereoisomerism

CHXI12:ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES

317682 The type of isomerism observed in urea molecule is

1 Chain

2 Position

3 Geometrical

4 Tautomerism

AIIMS - 2007

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CHXI12:ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES

317678 Assertion :
\(\mathrm{HO}-\mathrm{CH}=\mathrm{CH}-\mathrm{CH}_{3}\) exhibits ketoenol tautomerism.
Reason :
Intermediate formed is a carbocation.

1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.

2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.

3 Assertion is correct but Reason is incorrect.

4 Assertion is incorrect but Reason is correct.

CHXI12:ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES

317679 Which pair of following tautomers called as Diad system?

1 \(\mathrm{H}-\mathrm{O}-\mathrm{C} \equiv \mathrm{N} \rightleftharpoons \mathrm{O}=\mathrm{C}=\mathrm{N}-\mathrm{H}\)

2 \({\text{H}} - {\text{C}} \equiv {\text{N}} \rightleftharpoons {\text{C}}\overleftarrow = {\text{N}} - {\text{H}}\)

3 \(\mathrm{CH}_{3}-\mathrm{CH}_{2}-\mathrm{CH}=\mathrm{O} \rightleftharpoons \mathrm{CH}_{3}-\mathrm{CH}=\mathrm{CH}-\mathrm{OH}\)

4 \(\mathrm{CH}_{3}-\mathrm{COCH}_{2} \mathrm{COOC}_{2} \mathrm{H}_{5} \rightleftharpoons\)
\(\mathrm{CH}_{3}-\mathrm{C}=\mathrm{CH}-\mathrm{COOC}_{2} \mathrm{H}_{5}\)

CHXI12:ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES

317680 Match Column I with Column II.
supporting img

Choose the correct answer from the options given below:

1 A - Q , B - R, C - P, D - S

2 A - R, B - P, C - S, D - Q

3 A - R, B - S, C - P, D - Q

4 A - S, B - R, C - P, D - Q

JEE - 2023

CHXI12:ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES

317681 Which of the following isomerism is shown by ethyl acetoacetate?

1 Geometrical isomerism

2 Keto-enol tautomerism

3 Enantiomerism

4 Diastereoisomerism

CHXI12:ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES

317682 The type of isomerism observed in urea molecule is

1 Chain

2 Position

3 Geometrical

4 Tautomerism

AIIMS - 2007

Join With Us for More Updates

CHXI12:ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES

317678 Assertion :
\(\mathrm{HO}-\mathrm{CH}=\mathrm{CH}-\mathrm{CH}_{3}\) exhibits ketoenol tautomerism.
Reason :
Intermediate formed is a carbocation.

1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.

2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.

3 Assertion is correct but Reason is incorrect.

4 Assertion is incorrect but Reason is correct.

CHXI12:ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES

317679 Which pair of following tautomers called as Diad system?

1 \(\mathrm{H}-\mathrm{O}-\mathrm{C} \equiv \mathrm{N} \rightleftharpoons \mathrm{O}=\mathrm{C}=\mathrm{N}-\mathrm{H}\)

2 \({\text{H}} - {\text{C}} \equiv {\text{N}} \rightleftharpoons {\text{C}}\overleftarrow = {\text{N}} - {\text{H}}\)

3 \(\mathrm{CH}_{3}-\mathrm{CH}_{2}-\mathrm{CH}=\mathrm{O} \rightleftharpoons \mathrm{CH}_{3}-\mathrm{CH}=\mathrm{CH}-\mathrm{OH}\)

4 \(\mathrm{CH}_{3}-\mathrm{COCH}_{2} \mathrm{COOC}_{2} \mathrm{H}_{5} \rightleftharpoons\)
\(\mathrm{CH}_{3}-\mathrm{C}=\mathrm{CH}-\mathrm{COOC}_{2} \mathrm{H}_{5}\)

CHXI12:ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES

317680 Match Column I with Column II.
supporting img

Choose the correct answer from the options given below:

1 A - Q , B - R, C - P, D - S

2 A - R, B - P, C - S, D - Q

3 A - R, B - S, C - P, D - Q

4 A - S, B - R, C - P, D - Q

JEE - 2023

CHXI12:ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES

317681 Which of the following isomerism is shown by ethyl acetoacetate?

1 Geometrical isomerism

2 Keto-enol tautomerism

3 Enantiomerism

4 Diastereoisomerism

CHXI12:ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES

317682 The type of isomerism observed in urea molecule is

1 Chain

2 Position

3 Geometrical

4 Tautomerism

AIIMS - 2007

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