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Mention a group which strongly deactivat...

Mention a group which strongly deactivates benzene ring .

Text Solution

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`-NO_(2)` group strongly deactivates benzene ring .
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Knowledge Check

  • Which of the following reactions do not take place easily in the benzene ring -

    A
    polyacylation
    B
    polynitration
    C
    polysulphonation
    D
    polyalkylation

  • Some meta-directing substituents in aromatic substitution are given which one is the most deactivating?

    A
    `-C-=N`
    B
    `-SO_3H`
    C
    `-COOH`
    D
    `-NO_2`

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    Between -NH_2 and -NO_2 , which group facilitates nucleophilic substitution reaction in the benzene ring ?

    Mention the group in long periodic table used for alkali metals.

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    Explain why it is very difficult to introduce the third -NO_2 group into the benzene ring.

    Mention two reactions in which ethylene and benzene behave differently and two reactions in which they behave similarly.

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