Greater the number of resonating structures for a given intermediate __________a)Less will be its stabilityb)More will be its stabilityc)It will not affect its stabilityd)None of the mentionedCorrect answer is option 'B'. Can you explain this answer?

Question

Answer

Greater the number of resonating structures for a given intermediate, more will be its stability. More resonating structure increases stability.

Answer

Explanation:
In organic chemistry, resonance is a phenomenon that occurs when electrons are delocalized within a molecule or ion. When a molecule or ion has multiple resonance structures, it means that the electrons can be distributed in different ways, resulting in different arrangements of atoms.

Stability and Resonance:
The stability of an intermediate is determined by its energy. A more stable intermediate has a lower energy, while a less stable intermediate has a higher energy. Resonance can affect the stability of an intermediate by distributing charge and electron density within the molecule or ion.

Effects of Resonance:
1. Delocalization of charge:
Resonance allows for the delocalization of charge within a molecule or ion. This means that negative charge can be spread out over multiple atoms, reducing the electron density at any one atom. This delocalization of charge stabilizes the molecule or ion, making it more stable.

2. Stabilization of electron density:
Resonance also stabilizes the electron density within a molecule or ion. When electrons are delocalized, they are spread out over a larger volume, reducing the repulsion between them. This stabilizes the molecule or ion, making it more stable.

More Resonating Structures, More Stability:
When a molecule or ion has a greater number of resonating structures, it means that the electrons can be delocalized in more ways. This leads to a greater distribution of charge and electron density, resulting in a more stable intermediate.

Therefore, the greater the number of resonating structures for a given intermediate, the more stable it will be. This is why the correct answer is option B: 'More will be its stability.'

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