under-what-condition-is-the-para-position-favored-over-the-ortho-position-in-an-

Question

Under what condition is the para position favored over the ortho position in an EAS reaction?

Accepted Answer

When steric hindrance at the ortho position is significant

Answer

When electron-withdrawing groups are present

Answer

When hydrogen bonding enhances ortho reactivity

Answer

When reaction temperature is very low