Which of the following benzene ring substituents is deactivating but ortho-para directing?

- N = O

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- O C H_{3}

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- C O C H_{3}

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- N O_{2}

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Solution

The correct option is B $- O C H_{3}$
$- O C H_{3}$ functional group is deactivating but ortho-para directing.
It is a deactivating group but +R group also.

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Similar questions

Q. The substituent which is predominantly ortho-para directing but deactivating in aromatic electrophilic substitution reaction is :

Assertion (A): - $N O_{2}$ group is benzene ring deactivating and m - directing group

Reason (R): - $N O_{2}$ group with draws electron density from benzene ring and makes ortho and para positions more electron deficient than meta position

Q. A group which deactivates the benzene ring towards electrophilic substitution but directs the reaction at ortho and para position:

Q. A group which deactivates the benzene ring towards EAS but which direct the incoming group principally to the ortho and para position is:

Q. Which of the following groups is

o, p -

directing but deactivates benzene ring for electrophilic substitution?

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Which of the following benzene ring substituents is deactivating but ortho-para directing?

The correct option is B −OCH3−OCH3 functional group is deactivating but ortho-para directing.It is a deactivating group but +R group also.

The correct option is B $- O C H_{3}$
$- O C H_{3}$ functional group is deactivating but ortho-para directing.
It is a deactivating group but +R group also.