MCQ
(image) $\xrightarrow[{CC{l_4}}]{{{\text{B}}{{\text{r}}_2}}}\,(X){\kern 1pt}$ products. Value of $X$ is
- A$0$
- ✓$1$
- C$2$
- D$3$
✓
Answer
Correct option: B.
$1$
b
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