JEE Main 2022 · 30 Jun · Shift 1 · Chemistry Q80

ChemistrySingle correct+4 / -1Question 80 of 90

The reagent neutral ferric chloride is used to detect the presence of ______

sulphide ion and alcoholic -OH group

acetate ion and phenolic -OH group.

sulphide ion and phenolic -OH group.

acetate ion and alcoholic -OH group.

Answer and worked solution

Official answer: B

Neutral $\mathrm{FeCl_3}$ gives a red colour with acetate and violet colours with phenols.

(B)

Topics:Detection of functional groups Anion analysis

JEE Main 2022 · 30 Jun · Shift 1, Chemistry question 80