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Which statement about the aldol condensa...

Which statement about the aldol condensation is correct ?

A

A Lewis acid commonly ysed as a catalyst

B

The initial step is probably the formation of a carbanion

C

A Lewis base is employed toinduce carbocation formation

D

The carbon chain is lengthened through the elimination of 1 mole of water

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The correct Answer is:
2
Enolate ion formed is first step.
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NARAYNA-CARBONYL COMPOUNDS-LEVEL -III
  1. (CH(3))(3)C CHOoverset(conc.OH^(-))rightarrow X+Y X and Y are

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  2. product

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  3. Which statement about the aldol condensation is correct ?

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  4. A compound gives a positive test with I(2)//NaOH and is extracted from...

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  5. Text Solution

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  6. In the gives reaction sequence CH(3)CH(2)underset(O)underset(||)C CH(2...

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  7. In the reaction CH(3)CHOunderset(dilNa(2)CO(3))overset(3HCHO,)rightarr...

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  8. C(2)H(2)overset(HOCl)underset(excess)rightarrow A overset(Cl(2))righta...

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  9. Identify the product C in the series CH(3) CN overset (Na//C(2) H(5...

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  10. In which of the following product will be aldehyde

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  11. Theproduct B in the reaction sequence is (CH(3)COO)(2)Caoverset(distil...

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  12. Select the compound which can undergo intramolecular cannizaro reactio...

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  13. (A) Product (A) is

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  14. Bu-C-=CHoverset(NaNH(2))rightarrowoverset(ph-CHO)underset(H(2)O)righta...

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  15. Identify the final product

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  16. In the following sequence : CH(3)CH(2)Cloverset(NaCN)(to) (i) overse...

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  17. Which of the following will reacts with water ?

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  18. Which one of the following will most readily be dehydrated in acidic c...

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  19. During reduction of carbonyl compounds by H(2)N NH(2) and KOH, the fir...

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  20. A substance C(4)H(10)O yields on oxidation a compound C(4)H(8)O which ...

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