Question

Which ion in each of the following pairs is more stable?

Short answer

Here we have to find out more stable compound.

a)

b)

c)

d)

Step-by-step solution

Stability

Aromatic compounds are more stable than the cyclic compounds with localized electrons and antiaromatic compounds.

Cyclic compounds with localized electrons are more stable than the antiaromatic compounds.

Final answer

a)

This is more stable as it is aromatic whereas other compound is antiaromatic.

b)

This is more stable as it is aromatic whereas other compound is antiaromatic.

c)

This is more stable as it is aromatic whereas other compound is antiaromatic.

d)

This is more stable as it is antiaromatic whereas other compound is non-aromatic.