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Choose the correct enol content order of...

Choose the correct enol content order of the following compounds in their pure liquid state
I) `CH_(3)COCH_(3)` II) `CH_(3)COCH_(2)COOC_(2)H_(5)` III) `C_(6)H_(5)COCH_(2)COOC_(2)H_(5)`
IV) `CH_(3)COCH_(2)COCH_(3)` V) `C_(6)H_(5)COCH_(2)COCH_(3)`

A

I `gt` II `gt` III

B

I `gt` III `gt` II

C

III `gt` II `gt` I

D

II `gt` III `gt` I

Text Solution

Verified by Experts

The correct Answer is:
A
I is more enole contant when compare II due to cross conjugation.
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The compounds C_(2)H_(5)OC_(2)H_(5) and CH_(3)OCH_(2)CH_(2)CH_(3) are

Give the IUPAC names of the following compounds: (i) CH_(3)CH_(2)CO(CH_(2))_(3)CH_(3) , (ii) CH_(3)CH(CH_(3))CH_(2)CH_(2)CHO (iii) CH_(3)CH_(2)COCH_(2)COCH_(3) and (iv) CH_(3)CH_(2)CH= CHCHO

Which the IUPAC name of CH_(3).CH(CH_(3))CH_(2)COOC_(2)H_(5)

How can the following conversions be effected ? (a) CH_(3)COCl rarr CH_(3)CHO (b) CH_(3)COCl rarr CH_(3)COCH_(3) (c ) CH_(3)CN rarr CH_(3)CHO (d) CH_(3)CN rarr CH_(3)CH_(2)OH

The order of strengths of the following carboxylic acidic is (i) CH_(3)-CH_(2)-COOH (ii) CH_(3)-COOH (iii) C_(6)H_(5)-COOH (iv) C_(6)H_(5)-CH_(2)COOH

IUPAC name of CH_(3)CH_(2)CH_(2)COCH_(3) is

Expand each of the following condensed formulas into their completes structural formulas: (a) CH_(3)CH_(2)CH_(2)COCH_(2)CH_(3) (b) CH_(3)CH = CH (CH_(2))_(2) CH_(3)

Name the following compounds according to IUPAC system of nomenclature: {:((i) CH_(3)CH(CH_(3))CH_(2)CH_(2)CHO, (ii) CH_(3)CH_(2)COCH(C_(2)H_(5))CH_(2)CH_(2)Cl),((iii) CH_(3)CH=CHCHO, (iv) CH_(3)COCH_(2)COCH_(3)),((v) CH_(3)CH(CH_(3))CH_(2)C(CH_(3))_(2)COCH_(3), (vi) (CH_(3))_(3)C CH_(2)COOH),((vii) OHC C_(6)H_(4)CHO-p,):}

Give the IUPAC names of the following compounds: (CH_(3))_(3) C CH_(2)CHO, CH_(3)CH= CHCHO, CH_(3)CH_(2)COCH (C_(2)H_(5))CH_(2)CH_(2)Cl and CH_(3)CH(OH)CH_(2)COCH_(3)

CH_(3)COCH_(3) and CH_(2) = COH - CH_(3) represent

AAKASH SERIES-ISOMERISM -PRACTICE SHEET EXERCISE-I (Structural Isomerism) LEVEL-II (ADVANCED) Straight Objective Type Questions
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  11. Tautomer of following compound is :

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  14. Tautomers possess

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  15. Which of the following statement is incorrect?

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  16. Which of the fillowing pairs cannot exist in between two structural is...

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  18. Write the IUPAC name of the CH(3)-underset(CH(3))underset(|)CH-underse...

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