What are the products formed when lanthanoids $(Ln)$ react with $1$. $H_2O$ and $2$. $N_2$?
- A$1$. $Ln(OH)_3$,$2$. $LnN$
- B$1$. $LnO_2$,$2$. $Ln_3N_4$
- C$1$. $Ln_2O_3$,$2$. $LnN_2$
- D$1$. $Ln(OH)_2$,$2$. $Ln_2N_3$
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