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Which among the following statements are...

Which among the following statements are true with respect to electronic displacement in a covalent bond?
(1) Inductive effect operates through a `pi` - bond
(2) Resonance effect operates through a `sigma`-bond
(3) Inductive effect operates through a `sigma` -bond
(4) Resonance effect operates through a `pi-`bond
(5) Resonance and inductive effects operate through `sigma`-bond

A

1 and 2

B

1 and 3

C

2 and 3

D

3 and 4

Text Solution

Verified by Experts

The correct Answer is:
D
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OP TANDON-BASIC PRINCIPLES OF ORGANIC COMPOUNDS (MECHANISM OF ORGANIC REACTIONS)-OBJECTIVE QUESTIONS (Level-A)
  1. Mesomeric effect invloves the :

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  2. Which one of the following is most reactive towards electrophilic atta...

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

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  4. The hydrolysis of 2-bromo-3-methylbutane by S(N^(1)) mechanism gives m...

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  5. The electrophile, E^((o+)) attacks the benzene ring to generate the in...

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  6. Which one of the following carbanions is the least stable?

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  7. CH(3)CH(2)Cl undergoes homolytic fission produces:

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  8. Tertiary butyl chloride preferably undergo hydrolysis by:

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  9. In a S(N^(2)) substitution reaction of the type R-Br+Cl^(-)overset("...

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  10. The correct stability order for the following speceis is :

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  11. Arrange the carbanions, (CH(3))(3)bar(C),bar(C)Cl(3),(CH(3))(2)bar(C)H...

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  12. Which of the following carbocations will be more stable?

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  13. Arrange the following free radicals in order of decreasing stability: ...

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  14. The most easily hydrolysed molecule under S(N^(1)) condition is:

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  15. Least active electrophile is :

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  16. In the following carbocation, H//CH(3) that is most likely to migrate ...

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  17. Arrange the following resonating structures in order of increasing sta...

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  18. Identify a species which is not a Bronsted acid but a Lewis acid:

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  19. A solution of (-l)- chloro -1 phenyletane in toluene recemises slowly ...

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  20. The order of stability of the following carbocations: underset("I")(...

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