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Give a simple test to distinguish betwee...

Give a simple test to distinguish between :
(i) Pentan-2-one and Pentan-3-one. , (ii) Benzaldehyde and acetophenone.

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(i) Pentan-2-one is methyl ketone, It gives iodoform test (yellow ppt.) Pentan-3-one does not respond to this test since it is not a methyl ketone.
(ii) Acetophenone `(C_(6)H_(5)COCH_(3))` being a methyl ketone responds to iodoform test (yellow ppt.).Benzaldehyde `(C_(6)H_(5)CHO)` does not given this test.
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DINESH PUBLICATION-ALDEHYDES AND KETONES -Question From Board
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  2. Arrange the following compounds in increasing order of their reactivit...

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  3. Give a simple test to distinguish between : (i) Pentan-2-one and Pen...

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  4. Illustrate Cross-aldol condensation with a suitable example.

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  5. Write the structures of the main products of the following reactions.

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  6. Write the IUPAC name of CH(3)-CH(2)-CH=CH-overset(O)overset(||)(C)-H

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  7. Write the IUPAC name of the following (i) (CH(3))(2)CHCHO , (ii)

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  8. Complete the following 2CH(3)CHOoverset("Dil NaOH")rarrAunderset(-H(...

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  9. What happens when : (i) Acetaldehyde reacts with NH(2)OH , (ii) Acet...

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  10. Arrange the following compounds in increasing order of their boiling p...

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  11. How will you convert propanone to propan-2-ol?

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  12. Complete the following reactions :

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  13. Why is acetaldehyde more reactive than acetone towards nucleophilic a...

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  14. (CH(3))(3) C - CHO does not undergo aldol condensation due to

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  15. Write chemical equation to illustrate the following reactions: (i) W...

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  16. Write the products of the following reactions: (i) (ii) 2C(6)H(5)...

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  17. Write the IUPAC name of CH(3)-underset(NH(2))underset(|)CH-CH(2)-CHO.

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  18. Out of CH(3)CH(2)COCH(2)CH(3) and CH(3)CH(2)CH(2)COCH(3) which gives i...

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  19. How will you convert benzoyl chloride into benzaldehyde?

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  20. Complete the following reactions (i) CH(3)-overset(O)overset(||)(C)-...

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