MCQ
Which of the following pairs of molecules is isoelectronic as-well as iso structrural
- ✓$NO_3^ - ,CO_3^{ - 2}$
- B$S{O_3},N{O_3}$
- C$ClO_3^ - ,CO_3^{ - 2}$
- D$CO_3^{ - 2},S{O_3}$
✓
Answer
Correct option: A.
$NO_3^ - ,CO_3^{ - 2}$
a
Number of electrons in the compound is:
Number of electrons in the compound is:
$NO _3^{-}=32 e ^{-}$
$CO _3^{2-}=32 e ^{-}$
$ClO _3^{-}=42 e ^{-}$
$SO _3^{-}=41 e ^{-}$
Therefore, $NO _3^{-}$and $CO _3^{2-}$ are isoelectronic
The structures of both $NO _3^{-}$and $CO _3^{2-}$ is trigonal planar.
Therefore $NO _3^{-}$and $CO _3^{2-}$ are isostructural also.
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