MCQ
The correct statement about the compounds $A$ and $B$ is


- A$A$ and $B$ are identical
- B$A$ and $B$ are diastereomers
- ✓$A$ and $B$ are enantiomers
- DNone of these

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| List$-I ($Compound$)$ | List$-II ($Colour$)$ | ||
| $A.$ | $Fe_4[Fe(CN)_6]_3.xH_2O$ | $I.$ | Violet |
| $B.$ | $[Fe(CN)_5NOS]^{4–}$ | $II.$ | Blood Red |
| $C.$ | $[Fe(SCN)]^{2+}$ | $III.$ | Prussian Blue |
| $D.$ | $(NH_4)_3PO_4.12MoO_3$ | $IV.$ | Yellow |

$Mn_{(S)} | Mn^{+2}_{(aq)} (0.4\,M) | | Sn^{+2}_{(aq)} (0.04\,M)| Sn_{(S)}$,
Calculate free energy change $\left( {\Delta G} \right)$ at $298\, K.$ .......... $\mathrm{kJ}$
Given : $E_{M{n^{ + 2}}/Mn}^o = - 1.18\,V ; \,E_{S{n^{ + 2}}/Sn}^o = - 0.14\,{\rm{volt}}\,\frac{{2.303RT}}{F}=0.06$