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Given below are statements. One is labelled as Assertion (A) and another is labelled as Reason (R)
Assertion (A): Bond order in a molecule cannot be assumed negative,or fractional value
Reason (R): Bond order does not depend on the number of electrons in the bonding and anti-bonding orbitals.

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If both (A) and (R) are false

If both (A) and (R) are true but (R) is not the correct explanation of (A)

If both (A) and (R) are true and (R) is the correct explanation of (A)

If (A) is true but (R) is false

answer is D.

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Detailed Solution

S-1: Bond order may be a positive, whole number or fractional values not negative when $N_{B} > N_{A} .$

$S-2:Bond order = \frac{{No. of electron in bonding MO}^{'} {s - No. of electrons in anti -bonding MO}^{'} s}{2}$

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