MCQ
Which of the following is not formed when $H_2S$ reacts with acidic $K_2Cr_2O_7$ solution ?
- ✓$CrSO_4$
- B$Cr_2(SO_4)_3$
- C$K_2SO_4$
- D$S$
✓
Answer
Correct option: A.
$CrSO_4$
a
$K_2Cr_2O_7+ 4H_2SO_4+ 3H_2S$ $\longrightarrow$ $K_2SO_4 + Cr_2 (SO_4)_3 + 7H_2O + 3S$
$K_2Cr_2O_7+ 4H_2SO_4+ 3H_2S$ $\longrightarrow$ $K_2SO_4 + Cr_2 (SO_4)_3 + 7H_2O + 3S$
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