AP EAMCET Engineering 21 Sep 2020 Shift 2 Paper

Section: Chemistry

Question : 147 of 160

Marks: +1, -0

A pungent smelling gas "A” gives dense white fumes with conc. HCl. When "A" reacts with alkaline solution of a colorless reagent “B”, a reddish-brown precipitate "C" is formed. The compounds A,B,C respectively are

NO2 , NaOH , [Fe(H2O)5NO]2+
NH3 , NaOH , K2HgI4
NH3 , K2HgI4 , NH2. HgO. HgI
Cl2, Sodium nitroprusside, [Na2Fe(CN)5NOS]

Validate

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