MCQ
Non stoichiometric hydrides are formed by
- ✓$Zr, \,Ti$
- B$Mn,\, Fe$
- C$Fe, \,Co$
- D$Li,\, Na$
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$(A)$ $\left. Na _{4}\left[ Fe ( CN )_{5} NOS \right)\right]$
$(B)$ $Na _{4}\left[ FeO _{4}\right]$
$(C)$ $\left[ Fe _{2}( CO )_{9}\right]$