will-bromination-occur-at-the-ortho-para-or-meta-position-with-respect-to-the-py

Question

Will bromination occur at the ortho, para, or meta position with respect to the pyrimidinium ion in the reaction below? Explain.

Accepted Answer

The bromination would occur at the meta position because the pyridinium ion substituent is a strong deactivating group and acts as a meta director.

Answer

The bromination would occur at the ortho position because the pyridinium ion substituent is a weak deactivating group and acts as an ortho director.

Answer

The bromination would occur at the meta position because the pyridinium ion substituent is a weak deactivating group and acts as a meta director.

Answer

The bromination would occur at the para position because the pyridinium ion substituent is a strong deactivating group and acts as a para director.

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Will bromination occur at the ortho, para, or meta position with respect to the pyrimidinium ion in the reaction below? Explain.