Why is Haloarene less reactive than benzene in electrophilic substitution?

The +M effect of the halogen atom (with three lone pairs of electrons) increases the electron density at the ortho and para positions which makes the attack by an electrophile easier than in benzene itself. So, the haloarenes are more reactive than benzene in nitration, sulphonation etc.

Why is Haloarene less reactive?

The bond length in the sp2 hybridisation is less than that of the sp3 hybridisation, that’s why the bond formed by the haloarenes are more strong than the bond formed by the haloalkane, so the haloarenes are less reactive.

Why chlorobenzene is less reactive than benzene in electrophilic substitution reaction?

Since chlorine is an electron withdrawing group, so it withdraws electron from aromatic ring. As a result of which the electron density of the aromatic ring decreases and deactivates the ring. Chlorobenzene is less reactive than benzene towards electrophilic substitution reaction.

Which of the following is less reactive than benzene towards electrophilic substitution reactions?

Nitrobenzene molecule
So, Nitrobenzene molecule is less reactive towards electrophilic aromatic substitution.

Why are Haloarkanes more reactive than Haloarenes?

In haloarenes there is double bond character b/w carbon and halogen due to resonance effect which makes him less reactive. In benzene carbon being sp2 hybridised which is smaller in size than sp3 present in haloalkanes . So C-Cl bond in aryl halides is shorter and stronger.

Why is nucleophilic substitution difficult in Haloarenes?

Why is nucleophilic substitution reaction difficult in haloarene? Ans: In haloarenes, due to sp2 hybridisation and partial double bond character of the C–X bond, cleaving the bond and replacing it with the nucleophile becomes difficult. Arenes are electron-rich molecules; hence, they repel Nucleophiles attacking them.

Which is more polar Haloalkane or Haloarene?

The C−X bond in haloalkanes is more polar than the C−X in haloarenes.

Why is nucleophilic substitution reaction difficult in Haloarene?

Which is more reactive than benzene for electrophilic substitution?

Phenol is more reactive than benzene towards electrophilic substitution reaction.

Which is more reactive towards electrophilic substitution chlorobenzene or benzene?

Chlorobenzene is less reactive than benzene towards the electrophilic substitution reactions due to -I-effect.

Which is more reactive than benzene towards electrophilic substitution reaction?

Which one is more reactive towards electrophilic substitution reaction *?

The compound which is most reactive towards the electrophilic substitution is the Methyl group. Activating groups attached to the benzene ring increase the reactivity of benzene towards electrophilic substitution.