During the qualitative analysis of SO 3 2– using dilute H 2 SO 4 , SO 2 gas is evolved…
Chemistry · JEE Main · NTA Exams — Principles Related To Practical Chemistry
During the qualitative analysis of SO32– using dilute H2SO4, SO2 gas is evolved which turns K2Cr2O7 solution (acidified with dilute H2SO4):
(Jee Main 2023)
(Jee Main 2023)
- Black
- Red
- Green
- Blue
Answer
(C) Green
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