
- A

- ✓

- C

- D








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| $ \ce{LIST - I} ($Complex ion$)$ | $\ce{LIST - II} ($Electronic Configuration$)$ | ||
| $A.$ | $[Cr(H_{2}O)_{6}]^{3+}$ | $I.$ | $t_{2g}^{2}e_{g}^{0}$ |
| $B.$ | $[Fe(H_{2}O)_{6}]^{3+}$ | $II.$ | $t_{2g}^{3}eg^{0}$ |
| $C.$ | $[Ni(H_{2}O)_{6}]^{2+}$ | $III.$ | $t_{2g}^{3}eg^{2}$ |
| $D.$ | $[V(H_{2}O)_{6}]^{3+}$ | $IV.$ | $t_{2g}^{6}eg^{2}$ |
$Cu ^{2+}+ NH _{3} \stackrel{ K _{1}}{\rightleftharpoons}\left[ Cu \left( NH _{3}\right)\right]^{2+}$
$\left[ Cu \left( NH _{3}\right)\right]^{2+}+ NH _{3} \stackrel{ K _{2}}{\rightleftharpoons}\left[ Cu \left( NH _{3}\right)_{2}\right]^{2+}$
$\left[ Cu \left( NH _{3}\right)_{2}\right]^{2+}+ NH _{3} \stackrel{ K _{3}}{\rightleftharpoons}\left[ Cu \left( NH _{3}\right)_{3}\right]^{2+}$
$\left[ Cu \left( NH _{3}\right)_{3}\right]^{2+}+ NH _{3} \stackrel{ K _{4}}{\rightleftharpoons}\left[ Cu \left( NH _{3}\right)_{4}\right]^{2+}$
The value of stability constants $K _{1}, K _{2}, K _{3}$ and $K _{4}$ are $10^{4}, 1.58 \times 10^{3}, 5 \times 10^{2}$ and $10^{2}$ respectively. The overall equilibrium constants for dissociation of $\left[ Cu \left( NH _{3}\right)_{4}\right]^{2+}$ is $x \times 10^{-12}$ The value of $x$ is ...............
(Rounded off to the nearest integer)
(image) $\mathop {\xrightarrow{{CHC{l_3}/KOH}}}\limits_{heat} $ Intermediate $\mathop {\xrightarrow{{HCl}}}\limits_{300\,K} $ $X$
${A_{\left( s \right)}} + {B^ \oplus } \longrightarrow {A^ \oplus } + {B_{\left( s \right)}}\,;\,\Delta {H^o} = - 551.5\,KJ$ Calculate standard electrode potential of cell (in $volt$). .......... $\mathrm{volt}$
$C(s)\, + \,C{O_2}(g)\, \rightleftharpoons \,2CO(g),$
the partial pressure of $CO_2$ and $CO$ are $2.0$ and $4.0 \,atm$, respectively, at equilibrium. The $k_p$ of the reaction is