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Chemistry
Which of the following represents the correct order of Cl - O bond lengths in ClO -, ClO 2-, ClO 3-, ClO 4- ?
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Q. Which of the following represents the correct order of $Cl$ - $O$ bond lengths in $ClO ^{-}, ClO _{2}^{-}, ClO _{3}^{-}, ClO _{4}^{-} ?$
BITSAT
BITSAT 2021
A
$ClO _{4}^{-}= ClO _{3}^{-}= ClO _{2}^{-}= ClO ^{-}$
B
$ClO ^{-}< ClO _{2}^{-}< ClO _{3}^{-}< ClO _{4}^{-}$
C
$ClO _{4}^{-}< ClO _{3}^{-}< ClO _{2}^{-}< ClO ^{-}$
D
$ClO _{3}^{-}< ClO _{4}^{-}< ClO _{2}^{-}< ClO ^{-}$
Solution:
The b.o in $Cl-O^-$ is $1$
The b.o in $O = Cl - O^-$ is $1.5$
The bond length increases as b.o decreases
