Given below are two statements: Statement I: The number of species among , that have unequal bond lengths is two. Here, E is the central atom. Statement II: Among ? and ? has the highest bond order. In the light of the above statements, choose the co

Question

Given below are two statements:

Statement I: The number of species among ${BF}_{4}^{-}, {SiF}_{4}, {XeF}_{4} and {SF}_{4}$ , that have unequal $E - F$ bond lengths is two. Here, E is the central atom.

Statement II: Among $O_{2}^{-}, O_{2}^{2 -}, F_{2}$ and $O_{2}^{+}, O_{2}^{-}$ has the highest bond order.

In the light of the above statements, choose the correct answer from the options given below: [2026]

Smart Achievers · Accepted Answer

(4)

${In BF}_{4}^{-}, {SiF}_{4} {and XeF}_{4} all bond lengths are identical$

$Molecules$ $B.O.$

$O_{2}^{+}$ $\to$ $2.5$

$O_{2}^{-}$ $\to$ $1.5$

$O_{2}^{2 -}$ $\to$ $1$

$F_{2}$ $\to$ $1$

Solution

1 Statement I is false but Statement II is true

2 Both Statement I and Statement II are true

3 Statement I is true but Statement II is false

4 Both Statement I and Statement II are false

Ans.
(4)

${In BF}_{4}^{-}, {SiF}_{4} {and  XeF}_{4} all bond lengths are identical$

$Molecules$ $B.O.$

$O_{2}^{+}$ $\to$    $2.5$

$O_{2}^{-}$     $\to$    $1.5$

$O_{2}^{2 -}$     $\to$ $1$

$F_{2}$    $\to$    $1$

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