The Question is from neet-chemistry , and it was created by the author A.RAMA NAGESWARARAO

Question

As the bond order between two atoms increases, the bond length generally:

A.RAMA NAGESWARARAO · Accepted Answer

## CORE INFORMATION
✓ **Answer**: B
## CONCEPT FRAMEWORK
 **Primary Concept**: Bond order and bond length relationship
 **Related Topics**: Molecular orbital theory, valence bond theory
 **Prerequisites**: Understanding of covalent bonds, bond order calculation.
## SOLUTION PATHWAY
**Given Information**:
  The question describes the relationship between bond order and bond length.
  No specific values are given; the question is conceptual.
**Method & Steps**:
 1. Understanding Bond Order:
  Reasoning: Bond order represents the number of chemical bonds between a pair of atoms.  A higher bond order indicates a stronger bond.
  Formula/Rule: Bond order = (number of bonding electrons - number of antibonding electrons) / 2
 2. Relationship with Bond Length:
  Working: A stronger bond (higher bond order) pulls the atoms closer together, resulting in a shorter bond length. Conversely, a weaker bond (lower bond order) allows the atoms to be further apart, resulting in a longer bond length.
  Key Point:  The relationship is inverse; as bond order increases, bond length decreases.
 3. Conclusion:
  Result: As the bond order increases, the bond length generally decreases.
  Verification: This aligns with our understanding of chemical bonding.  For example, a triple bond (bond order = 3) is shorter than a double bond (bond order = 2), which is shorter than a single bond (bond order = 1).
 ## OPTION ANALYSIS
A :x: Increasing bond order leads to stronger attraction and thus shorter bond length, not longer.
B ✓: Correctly identifies the inverse relationship between bond order and bond length.
C :x:  Bond length changes with bond order; it does not remain the same.
D :x: Bond order relates to the presence of a bond; a bond order of zero indicates no bond, not that the bond length becomes zero (atoms are still present).
 ## LEARNING AIDS
 **Common Mistakes**:
  1.Confusing direct and inverse relationships: Remembering that bond order and bond length have an inverse relationship is crucial.
  2.Overlooking the concept of bond order:  Understanding how to calculate bond order is essential for grasping the relationship.
 **Quick Tips**:
  1.Visualize: Imagine pulling a rubber band (bond).  The stronger the pull (higher bond order), the shorter the length.
  2.Mnemonic:  'BO' (Bond Order) and 'BL' (Bond Length) are inversely related.

A.RAMA NAGESWARARAO · Answer

Increases

A.RAMA NAGESWARARAO · Answer

The correct Option is "Decreases"

A.RAMA NAGESWARARAO · Answer

Remains the same

A.RAMA NAGESWARARAO · Answer

Becomes zero

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