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(A) Carbonyl compounds take part in nucl...

(A) Carbonyl compounds take part in nucleophilic addition reactions.
(R) These reactions are initialed by nucleophilic attack at the electron deficient carbon atom.

A

If both (A) and (R) are correct and (R) is the corect explanation of (A)

B

If both (A) and (R) are correct but (R) is not correct explanation of (A)

C

If (A) is correct but (R) is incorrect.

D

If (A) is incorrect but (R) is correct

Text Solution

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The correct Answer is:
A
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Knowledge Check

  • Assertion : Carbonyl compounds take part in nucleophilic addition reactions. Reason : These reactions are initiated by nucleophilic attack at the electron deficient carbon atom.

    A
    If both assertion and reason are correct and reason is correct explanation for assertion.
    B
    If both assertion and reason are correct and reason is not correct explanation for assertion.
    C
    If assertion is correct but reason is incorrect.
    D
    If assertion as well as reason are both incorrect.
  • Which gives nucleophilic addition reactions ?

    A
    Methanal
    B
    Ethanal
    C
    Propanone
    D
    None of these
  • Carbonyl compounds undergo nucleophilic addition because of :

    A
    electronegativity difference of carbon and oxygen atoms
    B
    electromeric effect.
    C
    more stable anion with negative charge on oxygen and less stables carbocation
    D
    none of these
  • OP TANDON-ALDEHYDES AND KETONES -ASSERTION-REASON TYPE QUESTIONS
    1. (A) Carbonyl compounds take part in nucleophilic addition reactions. ...

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    2. (A) Primary alcohols can be easily oxidised to aldehydes. (R) Aldehy...

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    3. Assertion: The addition of ammonia derivative to a carbonyl compound i...

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    4. (A) Fehiling's reagent is a test for all aliphatic aldehydes. (R) Al...

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    5. (A) 2-Methlpropanal undergoes Cannizzaro's reaction. (R) It has no a...

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    6. Assertion (A) Formaldehyde is a planar molecule. Reason (R) It conta...

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    7. (A) Nitromethane can give aldol condensation. (R) alpha hydrogen of ...

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    8. Assertion : Chloral hydrate is a stable compound. Reason : It is sta...

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

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

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    11. Assertion : Dimethyl sulphide is commonly used for the reduction of a...

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    12. (A) alpha-hydrogen atom of carbonly compouns is acidic in nature. (R...

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    13. Assertion (A): The following intramolecular aldol reaction occurs. ...

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    14. (A) Acetaldehyde reduces Fehlintgs' solution but benzaldehyde does not...

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    15. (A) p-methoxy benzaldehyde is less recative than bensaldehyde towards ...

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    16. (A) Benzaldehyde gives a positive test with Benedict's and Fehiling so...

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