MCQ
The structure of aluminium bromide is best represented as :
- A

- B$[AlBr_2]^+\, [AlBr_4]^-$
- C

- ✓





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$2CrO_4^{2 - } + 2{H^ + } \to C{r_2}O_7^{2 - } + {H_2}O$