MCQ
(image) $\xrightarrow[\Delta ]{{{K_2}C{r_2}{O_7}}}\,(P)\,\,;$
Product $(P)$ will be
- A

- B

- ✓

- D

Product $(P)$ will be





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$\left[\right.$ Given $\left.: \mathrm{K}_{\mathrm{f}}\left(\mathrm{H}_{2} \mathrm{O}\right)=1.86\, \mathrm{~K}\, \mathrm{~kg}\, \mathrm{~mol}^{-1}\right]$
In the above reaction $'A'$ is ....