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Which of the following is/are examples (...

Which of the following is/are examples (s) of aldol condensation?

A

`2CH_(3)CHOoverset(dil.NaOH)rarrCH_(3)-overset(OH)overset(|)(CH)-CH_(2)-CHO`

B

`2CH_(3)-overset(O)overset(||)C-CH_(3)overset(dil.NaOH)rarrCH_(3)-underset(CH_(3))underset(|)overset(OH)overset(|)C-CH_(2)-overset(O)overset(||)C-CH_(3)`

C

`2HCHOoverset(dil.NaOH)rarrCH_(3)OH+HCOOH`

D

`C_(6)H_(5)CHO+HCHOoverset(dil.NaOH)rarrC_(6)H_(5)CH_(2)OH`

Text Solution

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The correct Answer is:
A, B
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OP TANDON-ALDEHYDES AND KETONES -OBJECTIVE QUESTIONS (LEVEL -B) SET II
  1. Which of the following is/are examples (s) of aldol condensation?

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  2. The final product of the following reaction, is :

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  3. In acidic medium in presence of conc. H(2)SO(4) acetaldehyde will give...

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  4. Which compound undergo Cannizzro's reaction ?

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  5. Raction of Grignard reagent with ......gives alcohol.

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  6. Which of the following reaents react in a same manner with HCHO,CH(3)C...

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  7. A plastic bakelite is obtained from :

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  8. Which statement are corrrect in the case of acetaldehyde and acetone?

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  9. Which are mixed ketones?

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  10. CH(2)Cl(2) on heating with NaOH solution gives :

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  11. Which gives nucleophilic addition reactions ?

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  12. Gem dihalides on hydrolysis from :

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  13. Which of the following compounds will give positive idodoforms test?

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  14. Grignard reagent can give aldehyde with :

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  15. Which of the following reagents react in a same manner with HCHO and C...

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  16. The names of the compound CH(3)CH(2)CH(2)CH(2)CHO are

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  17. Which of the following methods can be used to prepare aldehydes ?

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  18. Ketones can be prepared by :

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  19. Which of the following compounds will give Fehlings' solution test?

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  20. Which of the following will undergo aldol condensation ?

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