MCQ
Non stoichiometric hydrides are formed by
- ✓$Zr, \,Ti$
- B$Mn,\, Fe$
- C$Fe, \,Co$
- D$Li,\, Na$
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$R-Cl\xrightarrow{(i)\,\,KCN,(ii)\,LiAl{{H}_{4}}} $ Product $A$
$R-Cl\xrightarrow{(i)\,\,AgCN,(ii)\,LiAl{{H}_{4}}} $ Product $B $
the compounds $A$ and $B$ are

| 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 |