Question

The directing effect of multiple substituents is dominated by the most powerful activator. Which is the most powerful activator for vanillin

Answer 1

- OH group is the most powerful activator

Step-by-step explanation:

The most powerful activator for Vanillin is the - OH group and this is due to the effect of the +R on the - OH group and also there is more overlapping experienced in -OH groups compared to - OCH3 group

attached below is the reaction scheme