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Statement -I: CH(3)CHO on reaction with ...

Statement -I: `CH_(3)CHO` on reaction with dil `NaOH` forms Aldol product
Statement -II Aldehydes and Ketones having `prop` hydrogen undergo Aldol condensation.

A

Both the statements are true and statement- II is the correct explanation of statement -I.

B

Both statements are true but statement -II is not the correct explanation of statement -I.

C

Statement-I is true but statement -II is falsae

D

Statement -I is false but statement- II is true

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Assertion : Acetaldehyde undergoes aldol condensation with dil. NaOH. Reason Aldehydes which donot contain a-hydrogen undergo aldol condensation.

(CH_(3))_(3) C - CHO does not undergo aldol condensation due to

The additon reaction of enol or enolate to the carbonyl function of aldehyde or ketone is known as aldol addition . The beta -hydroxyaldehyde or beta- hydroxyketone so obtained undergo dehydration in second step to produce a conjugated enone. The first part of reaction is an addition reaction and the second part is an elimination reaction. Carbonyl compound having alpha -hydrogen undergoes aldol condensation reaction . 2CH_(3)CH_(2)-overset(O)overset(||)C-Hunderset(Delta)overset(""^(Ө)OH)rarrCH_(3)CH_(2)CH=underset(CH_(3))underset(|)C-overset(O)overset(||)C-H Which of the following will give aldol condensation ?

NARAYNA-CARBONYL COMPOUNDS-STATEMENT TYPE
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  2. Assertion: (CH(3))(3)C COC(CH(3))(3) and acetone can be distanguished ...

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  3. Assertion : 2, 2- Dimethylpropanal undergoes Cannizzaro reaction with ...

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  4. Assertion : Aldol condensation can be catalysed both by acids and base...

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  5. Statement -I: Crossed Cannizzaro reaction between formaldehyde and ben...

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  7. Statement -I : Secondary alcohols can be easily oxidised to aldehydes....

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  9. Statement -I: Fehling ' s reagent is a test for all aliphatic aldehyde...

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  10. Statement -I: Propanal undergoes Cannizzaro 's reaction. Statemen...

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  11. Statement -I: Nitromethane can give aldol condensation. Statement...

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  13. (A) Acetaldehyde does not show aldol condensation. (R) Compounds ha...

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  14. (A) Lower aldehydes and ketones are soluble in water but solubility de...

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  15. Statement -I: CH(3)CHO on reaction with dil NaOH forms Aldol produc...

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  16. Statement -:I: Acetaldehyde on reaction with H(2)SO(4) at room t...

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  17. Statement :I :Benzaldehyde undergoes aldol condensation. Statement...

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  18. Statement :I: CH(3)CHO is more reactive then CH(3)COCH(3) :Stateme...

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  19. Statement: I : The solubility of aldehydes and ketones in water decrea...

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  20. Statement -:I : The B.P' s aldehydes and ketones are higher than those...

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