Saved Bookmarks
| 1. |
Sometimes it happen that when H_(2)S gas is pased into solution in dil.HCI yellowish white turbidity appears what do you conclude ? What precaution are taken to check this turbidity? |
|
Answer» SOLUTION :Thisyellowish white turbidity is due to colloidal sulphur , formed by OXIDATION of `H_(2)S` by theprersence of `NO_(3)^(-)` or `NO_(2)^(-)` or `SO_(3)^(2-)` `H_(2)S+HNO_(3)tounderset(colloidal)(S)` Before passing `H_(2)S GAS solution is boiled so as to decompose these RADICALS. |
|