A) sulphurous acid is passed through magenta dye
B) chlorine is passed through magenta dye
C) both (a) & (b)
D) none of the above
Correct Answer: A
Solution :
Schiff solution is obtained when \[S{{O}_{2}}\] is passed in aqueous magenta (rosaniline) dye. The reagent is used in distinguishing aldehydes which give pink colour on heating with this reagent.You need to login to perform this action.
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