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Which species are more resonance stabili...

Which species are more resonance stabilized in the following pairs:
`[C_(6)H_(5)Cl, C_(6)H_(5)CH_(3)], [CH_(2)=CHCl, CH_(2)=CHCH_(2)Cl]`,
`[C_(6)H_(5)Br, C_(6)H_(5)CH_(2)Br], [CH_(3)COOH, CH_(3)COO^(-)]`

A

`C_(6)H_(5)Cl,CH_(2)=CHCH_(2)Cl,C_(6)H_(5)CH_(2)Br,CH_(3)COO^(-)`

B

`C_(6)H_(5)CH_(3),CH_(2)=CHCH_(2)Cl,C_(6)H_(5)CH_(2)Br,CH_(3)COOH`

C

`C_(6)H_(5)CH_(3),CH_(2)=CHCH_(2)Cl,C_(6)H_(5)CH_(2)Br,CH_(3)COOH`

D

`C_(6)H_(5)Cl,CH_(2)=CHCl,C_(6)H_(5)Br,CH_(3)COOH`

Text Solution

Verified by Experts

The correct Answer is:
B
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Write chemical equations for the following conversions : CH_(3)-CH_(2)-Cl into CH_(3)-CH_(2)-CH_(2)-NH_(2) C_(6)H_(5)-CH_(2)-Cl into C_(6)H_(5)-CH_(2)-CH_(2)-NH_(2)

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The decreasing order of reactivity of the following compounds in S_(N)1 reactions is _________. (i) C_(6)H_(5)CH_(2)Br" " (ii) C_(6)H_(5)CH(C_(6)H_(5)Br (iii) C_(6)H_(5)CH(CH_(3)Br" "(iv) C_(6)H_(5)C(CH_(3))(C_(6)H_(5))Br

Total number of the following ethers that can be prepared by Williamson synthesis is : C_(6)H_(5)CH_(2)OC_(6)H_(5),C_(6)H_(5)OC_(6)H_(5),(CH_(3))_(3)COCH_(2)CH_(3),(CH_(3))_(3)COC(CH_(3))_(3),C_(6)H_(5)OCH_(2)CH_(3),CH_(3)OCH_(2)CH_(3)

Write IUPAC names of the following compounds : (a) CH_(3)CH(Cl)CH(Br)CH_(3) (b) CHF_(2)CBrClF (c) ClCH_(2)C-=C CH_(2)Br (d) (C Cl_(3))_(3)C Cl (e) CH_(3)C(p-ClC_(6)H_(4))_(2)CH(Br)CH_(3) (f) (CH_(3))_(3)C CH=C(Cl)C_(6)H_(4)I-p (g) CH_(3)CHCl(CH_(2))_(2)C Cl_(2)C_(2)H_(5)

DINESH PUBLICATION-BASIC PRINCIPLES OF ORGANIC CHEMISTRY-REVISION QUESTIONS FROM COMPETITIVE EXAMS.
  1. Consider the following carbocation: (i) Cl(3)overset(+)C (ii) Cl(2...

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  2. Consider the following compound: The IUPAC name of the this compo...

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  3. Which species are more resonance stabilized in the following pairs: ...

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  4. Inductive effect involves :

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  5. Consider the following compounds (i) Chloroethane (ii) Benzene (iii)...

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  6. IUPAC name of

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  7. Which one of the following compounds cannot show tautomerism?

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  8. The rate of the reaction is influenced by the hyperconjugation ef...

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  9. CH(3)CH(2)Cl undergoes homolytic fission to produce

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  10. The number of sigma bonds, pi bonds and lone pair

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  11. Which one of the following carbanions is the least stable

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  12. An alkyne combines with a conjugated diene to give an unconjugated cyc...

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  13. The enolic form of butanone contains

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  14. Which among the following statements are true with respect to electron...

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  15. Which of the following does not exhibit tautomerism?

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  16. Give the IUPAC name of the compound

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  17. The latest IUPAC name of the following compound

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  18. IUPAC name of (CH(3))(3)Cl is

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  19. In the compound HC-=C-CH=CH2, the hybridizations of C-2 and C-3 carbon...

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  20. Which of the following carbocations will be the most stable?

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