Concept explainers
(a)
Interpretation:
Resonance structure of anion 2 and cation 3 of the given compound has to be drawn.
Concept Introduction:
Curved arrows are necessary in drawing the resonance structure.
Curved arrows has a head indicating that the electrons are coming and tail indicating that the electrons are going.
The two rules in drawing the resonance structure is,
- Breaking of single bond is not allowed.
- Never exceed an octet for second row elements.
When a single Lewis structure does not represent a structure adequately, the true structure is the intermediate between the two or more structure referred to as resonance structure.
(b)
Interpretation:
Reason for why
Concept Introduction:
Bond length: Bond distance or bond length is the average distance between nuclei of two bonded atoms in a molecule. It is a transferable property of a bond between atoms of fixed types
Single bond (
(c)
Interpretation:
Reason for why the intermolecular hydrogen bonding in structure 3 diminishes in comparison to the structure 1 has to be explained.
Concept Introduction:
Hydrogen bonding is a type of dipole-dipole interaction of molecules when the hydrogen is bonded to strong electronegative atom (F, O, N, etc) in the molecules.
Intramolecular hydrogen bonding is the hydrogen bonding with a molecule.
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