MCQ
Which of the following molecular species is not linear ?
- A$(CN)_2$
- B$OCN^-$
- C$XeF_2$
- ✓$S^{2-}_3$

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(Given : Atomic Number: F :9, $Cl : 17, Na =11$, $Mg =12, Al =13, K =19, Ca =20, Sc =21$ )