During the qualitative analysis of SO32- using dilute H2SO4, SO2 gas is evolved which turns K2Cr2O7 solution (acidified…
d & f-Block Elements · Class 12 · JEE Main Previous Year Question
During the qualitative analysis of using dilute , gas is evolved which turns solution (acidified with dilute ):
- a
Black
- b
Red
- c✓
Green
- d
Blue
Green
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