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Select the appropriate relation with rep...

Select the appropriate relation with repect to acidity of X, Y, Z for the given compound ,with increasing order .

A

`ZgtXgtY`

B

`YgtZgtX`

C

`ZltXltY`

D

`XgtYgtZ`

Text Solution

Verified by Experts

The correct Answer is:
B
Carboxylic acids are stronger acids than `-overset(+)(NH_(3))` because the corresponding conjugate base `(-COO^(-))` is more stable than `-NH_(2)` . Hnece Y is the strongest acid . Since - COOH has - I effect which decreases with distance, therefore , effect is more pronounced in Z than in X . As a result , Z is more acidic than X . Hence the true option is `YgtZgtX`.
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DISHA PUBLICATION-ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES -Exercise - 1 : Concept Builder (Topicwise) TOPIC 3 : Concepts of Reaction Mechanism in Organic Compounds and Purification
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  2. Decreasing order of reactivitytowards nucleophilic addition to carbon ...

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  3. Select the appropriate relation with repect to acidity of X, Y, Z for ...

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  6. In which of the following pairs A is more stable than B ?

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  7. Which of the following has the highest nucleophilicity ?

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  8. The increasing order of the boiling points for the following compound ...

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  9. Which of the following compouns has most acidic hydrogen ?

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  10. Polarization of electrons in acrolein may be written as:

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  11. Identify most acidic hydrogen present in the above compound :

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  12. Of the following compounds, which will have a zero dipole moment ?

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  13. Which statement is incorrect in respect of the above reaction ?

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  14. Carbon-carbon double bond lenghth will be maximum in which of the foll...

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  15. The structure of CH(2)=C=CH(2) is :

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  16. Which of the following will show aromatic behaviour ?

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  17. Which of the following reactions cannot proceed by S(N)1 mechaism ?

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  18. Ketene CH2=C=O has

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  19. Which one of the following does not have sp^(2) hybridised carbon ?

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  20. How many pi - bonds are present in naphthalene ?

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