Which of the following is not formed when

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Question:
Which of the following is not formed when $\mathrm{H}_{2} \mathrm{~S}$ reacts with acidic $\mathrm{K}_{2} \mathrm{Cr}_{2} \mathrm{O}_{7}$ solution ?

$\mathrm{K}_{2} \mathrm{SO}_{4}$
$\mathrm{Cr}_{2}\left(\mathrm{SO}_{4}\right)_{3}$
S
$\mathrm{CrSO}_{4}$

Correct Option: , 4

Solution:

Solution Not Required

Which of the following is not formed when

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