MCQ
How are the following compounds related ?


- ✓Diastereomers
- BEnantiomer
- CMeso compound
- DIdentical

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$(a)\; C \;\;(b)\; O \;\;(c)\; F\;\; (d) \;Cl\;\; (e)\; Br$
$O ^{2-}, F ^{-}, Al , Mg ^{2+}, Na ^{+}, O ^{+}, Mg , Al ^{3+}, F$