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Ph CHO +(CH3 CO )2 O overset(CH2 COONa )...

`Ph CHO +(CH_3 CO )_2 O overset(CH_2 COONa ) to A `the product A is

A

`C_6 H_5 CH =CH COOH`

B

`C_6 H_5 CH_2 CH_2 COOH`

C

`C_6 H_5 CH = CH COCH_3`

D

`C_6 H_5 CH_2 CO CH_3`

Text Solution

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The correct Answer is:
A

Mechanism : Step -1 generate the carbanion
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AAKASH SERIES-ALDEHYDES AND KETONES-LEVEL-II LECTURE SHEET (EXERCISE-I)
  1. In the given reaction CH3 - overset(OH) overset(| ) (CH)- underset(C...

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  2. Compound A (molecular formula C3 H8 O) is treated with acidifed pota...

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  3. Ph CHO +(CH3 CO )2 O overset(CH2 COONa ) to A the product A is

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  4. Acetaldehyde can be converted in to OHCH2 - underset(CH2OH) underset...

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  5. Cyanohydrin of which compound on hydrolysis will give lactic acid?

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  6. Cyanohydrin formation constant will be highest for ?

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  7. In the reaction: [X] overset( KMnO4 // overset(Ө)(O)H //Delta ) to...

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  8. An organic compound A, C5 H8 O reacts with H2 O NH3 and CH3 COOH as de...

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  9. Which of the following ketones do not react with NaHSO3 ?

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  10. Acetone can be converted into pinacol by

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  11. Tischenko reaction is a modification of

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  12. After completion of the reactions (I and II), the organic compound(s) ...

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  13. Mark out the correct order of dipole moment for the following compound...

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  14. Arrange the following compounds in decreasing order of nucleophilic ad...

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  15. In the given reaction A and B will respectively be :

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  16. Arrange the compound in order or decreasing reactivity for nucle...

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  17. In the given reaction

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  18. Which carbonyl group of the given compound in most reactive for...

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  19. In the given reaction the main product will be :

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  20. In the given reaction the main product will be :

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