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Which of the following froups groups dea...

Which of the following froups groups deactivates the benzene ring towards electrophilic substitution ?

A

`-NHR`

B

`-OH`

C

`-COOR`

D

`-OR`

Text Solution

Verified by Experts

The correct Answer is:
c
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Knowledge Check

  • Which of the following substituents deactivates the benzene ring towards electrophilic substitution?

    A
    `-NHCH_(3)`
    B
    `-OH`
    C
    `-OCH_(3)`
    D
    `-COOCH_(3)`

  • Which of the following group activates the benzene ring most towards electrophilic substitution

    A
    `-CHO`
    B
    `-NR_2`
    C
    `-NHCOCH_3`
    D
    `-NO_2`

  • Which of the following group(s) activate the benzene ring towards electrophilic substitution reaction.

    A
    `-Cl`
    B
    C
    `-O-overset(O)overset("||")(C)-CH_(3)`
    D
    `-C equiv overset(..)N`

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    Explain the fact that in ary alkyl ethers (i) the alkoxy group activates the benzene ring towards electrophilic substitution and (ii) it direct the incoming substituents to ortho - and para - positions in benzene ring.

    Explain the fact that in aryl alkyl ethers (i) the alkoxy group activates the benzene ring towards electrophilic substitution and (ii) it directs the incoming substituents to ortho and para position in benzene ring.

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    Which of the following groups is o-p directing but deactivates benzene ring for electrophilic substitution?

    The presence of which one of the following group on benzene nucleus activate it towards electrophilic substitution :

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