নিম্নলিখিত জারণ-বিজারণ বিক্রিয়ার উৎপাদসমূহ কী? $\mathrm{K}_{2} \mathrm{Cr}_{2} \mathrm{O}_{7}(\mathrm{aq})+\mathrm{H}_{2} \mathrm{SO}_{4}(\mathrm{aq})+\mathrm{FeSO}_{4}(\mathrm{aq}) \rightarrow \text { Products }$ (উৎপাদন)

$\mathrm{K}_{2} \mathrm{SO}_{4}, \mathrm{Fe}_{2}\left(\mathrm{SO}_{4}\right)_{3}, \mathrm{H}_{2} \mathrm{O}$

$\mathrm{K}_{2} \mathrm{SO}_{4}, \mathrm{Cr}_{2}\left(\mathrm{SO}_{4}\right)_{3}, \mathrm{H}_{2} \mathrm{O}$

$\mathrm{Cr}_{2}\left(\mathrm{SO}_{4}\right)_{3}, \mathrm{Fe}_{2}\left(\mathrm{SO}_{4}\right)_{3}, \mathrm{H}_{2} \mathrm{O}$

$\mathrm{K}_{2} \mathrm{SO}_{4}, \mathrm{Cr}_{2}\left(\mathrm{SO}_{4}\right)_{3}, \mathrm{Fe}_{2}\left(\mathrm{SO}_{4}\right)_{3}, \mathrm{H}_{2} \mathrm{O}$