MCQ
In which of the following pairs the two species are not isostructural ?
  • $CO_3^{2-}$ and $NO_3^-$
  • B
    $PCl_4^+$ and $SiCl_4$
  • C
    $PF_5$ and $BrF_5$
  • D
    $AlF_6^{3-}$ and $SF_6$

Answer

Correct option: A.
$CO_3^{2-}$ and $NO_3^-$
(a) $C O_{3}^{2} . N O_{3}$ Triangular planer

(b) $P C l_{4}^{+} . S i C l_{4}$ Terahedral

(c) $P F_{5}$ Tringular bipytarminal

$B i F_{5}$ Square pyramidal

(d) $A l F_{6}$ . $S F_{6}$ Octahedral

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