MCQ
Which of the following species have all the bond angles of $X^o $ and all the bond length of $'Y'\,\, \mathop A\limits^o $:-
- A$S_2O_3^{2-}$
- B$HCO_3^{\circleddash} $
- ✓$CO_3^{2-}$
- D$N_2O_5$
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