$A$. $\mathrm{Be} \rightarrow \mathrm{Be}^{-}$
$B$. $\mathrm{N} \rightarrow \mathrm{N}^{-}$
$C$. $\mathrm{O} \rightarrow \mathrm{O}^{2-}$
$D$. $\mathrm{Na} \rightarrow \mathrm{Na}^{-}$
$E$. $\mathrm{Al} \rightarrow \mathrm{Al}^{-}$
Choose the most appropriate answer from the options given below :
$(B)$ $\mathrm{N}+\mathrm{e}^{-} \rightarrow \mathrm{N}^{-} \quad$ E.A $=-$ ive
$(C)$ $\mathrm{O}+\mathrm{e}^{-} \rightarrow \mathrm{O}^{-}$
$\mathrm{O}^{-}+\mathrm{e}^{-} \rightarrow \mathrm{O}^{-2} \quad$ E.A $=-$ ive
$(D)$ $\mathrm{Na}+\mathrm{e}^{-} \rightarrow \mathrm{Na}^{-} \quad$ E.A $=+$ ive
$(E)$ $\mathrm{A} \ell+\mathrm{e}^{-} \rightarrow \mathrm{A} \ell^{-} \quad$ E.A $=+$ ive
Ans. $A,B$ and $C$ only
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
$ H_2(g) + Cl_2(g) \to 2HCl(g), \Delta H^o = -185\, kJ$
What is $\Delta U^o$ for this reaction? .....$kJ$
$x\,\,\,\,\,\,\,\,\,\,y\,\,\,\,\,\,\,\,\,\,z$