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The order of stability of the following ...

The order of stability of the following tautomeric compounds is `:`
`underset(I)(CH_(2)=overset(OH)overset(|)(C)-CH_(2)-overset(O)overset(||)(C)-CH_(3)) hArr underset(II)(CH_(3)-overset(O)overset(||)(C)-CH_(2)-overset(O)overset(||)(C)-CH_(3)) hArr underset(III)(CH_(3)-overset(OH)overset(|)(C)=CH-overset(O)overset(||)(C)-CH_(3))`

A

`III gt II gt I`

B

`II gt I gt III`

C

`II gt III gt I`

D

`I gt II gt III`

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The correct Answer is:
A
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The order of stability of the following tautomeric compounds is (i). CH_(2)=overset(OH)overset(|)(CH)-CH_(2)-overset(O)overset(||)(C)-CH_(3)hArr (ii). CH_(3)-overset(O)overset(||)(C)-CH_(2)-overset(O)overset(||)(C)-CH_(3)hArr (iii). CH_(3)-overset(OH)overset(|)(C)=CH-overset(O)overset(||)(C)-CH_(3)

The order of stability of the following tautomeric compounds is (i). CH_(2)=overset(OH)overset(|)(CH)-CH_(2)-overset(O)overset(||)(C)-CH_(3)hArr (ii). CH_(3)-overset(O)overset(||)(C)-CH_(2)-overset(O)overset(||)(C)-CH_(3)hArr (iii). CH_(3)-overset(OH)overset(|)(C)=CH-overset(O)overset(||)(C)-CH_(3)

The IUPAC name of CH_(3)-overset(O)overset(||)(C)-CH_(2)-overset(OH)overset(|)(CH)-CHO is

The IUPAC name of CH_(3)-overset(O)overset(||)(C)-CH_(2)-overset(OH)overset(|)(CH)-CHO is

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The IUPAC name for CH_(3)-overset(O)overset(||)(C)-CH_(2)-CH_(2)-overset(O)overset(||)(C)-OH is ______.

For the given four structures , I to IV, which of the following is correct ? underset((I))(C_(2)H_(5)-overset(CH_(3))overset(|)(C)H-C_(3)H_(7)) underset((II))(CH_(3)-overset(O)overset(P)(C)-overset(CH_(3))overset(|)(C)H-C_(2)H_(5)) underset((III))(CH_(3)-overset(O)overset(P)(C ) -overset(C_(2)H_(5))overset(|)(C ) H -C_(2)H_(5)) underset((IV))(C_(2)H_(5)-overset(CH_(3))overset(|)(C)H-C_(2)H_(5))

Which of the following can give iodoform test? (I) CH_(3)-overset(O)overset(||)C-CH_(2)-overset(O)overset(||)C-CH_(3) (II) C_(6)H_(5)-CH_(2)-overset(O)overset(||)C-CH_(3) (III) CH_(3)-CHO (IV) C_(6)H_(5)-overset(O)overset(||)C-CH_(3)

RESONANCE ENGLISH-GENERAL ORGANIC CHEMISTRY II-(APSP) Part-I:Practice Test-1
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  2. The decreasing order of acidic strength among trichloroacetic acid (I)...

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  3. Consider the following carbanions (i) CH(3)- overset(Ө)CH(2)" "(ii...

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  4. The order of stability of the following carbocations:

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  5. The most stable carbocation is

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  6. Pyridine is less basic than triethylamine because

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  7. Which is the following phenol has lowest pK(a) ?

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  8. Which is most basic among the followings ?

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  9. Assertion:The pK(a) of acetic acid is lower than that of phenol. Reaso...

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  10. The order of stability of the following tautomeric compounds is : un...

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  11. Observe the following feasible reaction: Q. Identify the feasible...

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  12. In which of following carbocation rearragement take place with change ...

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  13. Observer the following reaction sequence. Which is correct acidic...

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  14. Most stable carbocation among the following is

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  15. Select the most basic compound.

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  16. Which of the following compounds will have highest enolic content?

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  17. The hydride ion H^(-) is stronger base than its hydroxide ion OH^(-) W...

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  18. Give the stability order of following radicals :

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  19. The most stable carbanion among the following is

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  20. Which of the following is the most stabilized carbocation ?

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