MCQ
Which of the following compounds are meso forms ?


- A$1$ only
- ✓$3$ only
- C$1$ and $2$
- D$2$ and $3$


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$2{H_2}{O_2}(l) \rightleftharpoons {H_2}O(l) + {O_2}(g)$
$(R = 83\, JK^{-1}\, mol^{-1})$