Answer:
iv. -NH₂
Explanation:
The amine group is an activating substituent and provides an <em>ortho-para </em>orientation.
The free electrons in the nitrogen atom provide <u>stabilization by resonance </u>in the sigma complex if the attack by the electrophilic reactant occurs in the positions <em>ortho</em> or <em>para </em>with regards to the nitrogen atom.
<span>You find the valence electrons in an atom's electronic arrangement by consulting the periodic table.Hope this was helpful.
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This is a perfect example of what this person is saying
sodium only has one valence electron meaning that there is only one electron in the outer rim. so it will go... 1st energy lvl=2 electrons. 2nd energy lvl=8 electrons. and, 3rd energy lvl=1 electron.
Explanation:
hope i helped.