Why does Benzene require a catalyst to react with Bromine whereas Phenol does not?

The -OH is an activating group, it donates its lone pair into the delocalised ring of electrons. This increases the electron density in the ring, making it more reactive.

FL

Related Chemistry A Level answers

All answers ▸

At room temperature and pressure, the first 4 alkanes are all gases, but the first 4 alcohols are all liquids. Explain this.


i)Give the Correct full electronic configuration for the Mg2+ ion, ii) and state why it is easier to form the 2+ state for Mg than Ben


Ethanol can be made from the reaction between ethene and water. The reaction is exothermic and occurs at a high temperature. Describe and explain the effect of raising the temperature on the rate of achievement of equilibrium and the equilibrium yield.


What is a rate of reaction? How can we calculate the rate of reaction?