Which of the following reagents (s) is/are required to give water soluble dye stuff, methylene blue in strongly acidic solution with H_(2)S?

Which of the following reagents (s) is/are required to give water solu

1.	Which of the following reagents (s) is/are required to give water soluble dye stuff, methylene blue in strongly acidic solution with H_(2)S?
Answer» `FeCI_(3)` `FeCI_(2)` ANSWER :A::C