MCQ
The correct statements about compounds $A, B$ and $C$ is/are


- A$'A'$ and $'B'$ are enantiomers
- B$'B'$ and $'C'$ are diastereomers
- ✓$'A'$ and $'C'$ are enantiomers
- D$'A'$ and $'C'$ are diastereomers

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$\mathrm{Li}_{2} \mathrm{O}, \mathrm{CaO}, \mathrm{Na}_{2} \mathrm{O}_{2}, \mathrm{KO}_{2}, \mathrm{MgO}$ and $\mathrm{K}_{2} \mathrm{O}$
| Compound | $K_{sp}$ |
| $AgCl$ | $1.1\times10^{-10}$ |
| $AgI$ | $1.0\times10^{-16}$ |
| $PbCrO_4$ | $4.0\times10^{-14}$ |
| $Ag_2CO_3$ | $8.0\times10^{-12}$ |
The most soluble and least soluble compounds are respectively.