MCQ
Which is the example of hexadentate ligand
- A$2, 2—$ dipyridyl
- BDimethyl glyoxime
- CAminodiacetate ion
- ✓Ethylene diammine tetra acetate ion $ [EDTA]$

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Which of the above statements are correct?

| List $-I$ (Compounds) | List $-II$ (used in) | ||
| $(A)$ | $BaSO_4 +ZnS$ | $(1)$ | Explosive |
| $(B)$ | $NI_3$ | $(2)$ | Oxidiser in rocket propellants |
| $(C)$ | $N_2O_4$ | $(3)$ | Space capsule |
| $(D)$ | $KO_2$ | $(4)$ | Pigment |