Regarding the qualitative analysis experiment which of the following statements

Question

Regarding the qualitative analysis experiment which of the following statements is false? Ellagic acid decolorizes Br_2/CH_2Cl_2 and forms a colorful complex with aqueous FeCl_3. Pulegone reacts positively with 2,4-DNP and Br_2/CH_2Cl_2 reagents. Isoamyl alcohol gives positive NaI/acetone and negative AgNO_3/EtOH tests. Tyrosol reacts positively with Br_2/CH_2Cl_2, and Jones reagents. Umbelliferone gives a positive test with B Br_2/CH_2Cl_2 and negative with 2,4-DNP. Furfural gives positive 2,4-DNP, and Tollen's tests. Which one of the following reagents is not corrosive?

Explanation / Answer

1)

A) Phenol: Yes phenol being volatile is corrosive to eyes, skin, and respiratory track

B) Jones reagent: CrO3 in 2M H2SO4 Yes is Potent skin corrosive.

C) Br2 in CHCl3: Yes Br2 Bromine is corrosive

D) Lucus reagent : Anhydrou ZnCl2 + conc. HCl . Yes is highly corrosive.

E) Isopropyl alcohol i-PrOH is NON-CROSSIVE.

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