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What type of reaction aldehydes and keto...

What type of reaction aldehydes and ketones undergo ?

A

Nucleophilic addition

B

Nucleophilic substitution

C

Electrophilic addtion

D

Electrophilic substitution.

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The correct Answer is:
A
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MODERN PUBLICATION-ALDEHYDES , KETONES AND CARBOXYLIC ACIDS-Multiple Choice Questions ( Level - I )
  1. An acid chloride on reaction with H(2) ,Pd-BaSO(4) gives (CH(3))(2)CHC...

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  2. Acetaldehyde reacts with Grignard reagent (CH(3)MgBr). The addition p...

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  3. What type of reaction aldehydes and ketones undergo ?

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  4. Silver morror test is not given by :

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  5. Which of the following is most reactive towards nucleophilic addition ...

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  6. The C- atom in carbonyl group involves :

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  7. The reaction of CH(3)CH(2)MgBr with formaldehyde after acidification g...

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  8. Acetaldehyde reacts with ethyl magnesium bromide to give a product whi...

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  9. The molecule that can give Cannizzaro 's reaction is :

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  10. Ketones are less reactive than aldehydes because:

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  11. Acetophenone on reduction with Zn//Hg in the presence of HCl gives :

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  12. When acetaldehyde is heated with Fehling solution, it gives a precipit...

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  13. A compound that gives a positive iodoform test is

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  14. The reagent with which both aldehydes and ketones react easily is

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  15. Which of the following gives positive Tollen 's

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  16. The compound formed by reducing acetone with LiAlH(4) is :

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  17. Acetaldehyde cyanohydrin on hydrolysis gives :

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  18. The reaction 2C(6)H(5)CHOoverset(50% NaOH)rarrC(6)H(5)COONA+C(6)H(5)...

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  19. Aldehydes give silver mirror test with ammoniacal silver nitrate solut...

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  20. Benzaldehyde reacts with phenyl hydrazine to form the product .

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