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Arrange the following compounds in the o...

Arrange the following compounds in the order of decreasing reactivity towards electrophilic substitution

A

V `gt` IV `gt` III `gt` II `gt` I

B

I `gt` II `gt` III `gt` V `gt` IV

C

I `gt` II `gt` IV `gt` III `gt` V

D

I `gt` III `gt` IV `gt` II `gt` V

Text Solution

Verified by Experts

The correct Answer is:
B
Rate of electrophilic substitution reaction `prop` Stability of arenium ion.
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BRILLIANT PUBLICATION-ORGANIC CHEMISTRY : SOME BASIC PRINCIPLES - PART II (ISOMERISM AND REACTION MECHANISM) -LEVEL-II (ASSERTION-REASON TYPE)
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  5. Assertion : Tertiary carbocations are generally formed more easily tha...

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  6. Assertion : tert-Butyl carbanion is more stable than methyl carbanion....

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  7. Assertion : The order of stability of carbocations are R(3)C^(+)gtR(2)...

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  11. Assertion : E(1)cB reaction is favoured by stabilisation of carbanion ...

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  12. Assertion : Inductive effect is responsible for the dipole moment in t...

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  13. Assertion : A carbanion is pyramidal in shape like NH(3) and amines. ...

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  18. Assertion : When inductive and electromeric effects operate in opposit...

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  19. Assertion : 1^(@) allylic halides are more reactive than 1^(@) RX in S...

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