(A) +tap water → white turbidity soluble in \aq. \NH_3 (A) \stackrel{\\Delta}{–––––🢖} \residue(B)+ NO_2 + O_ 2 Aqueous (A) gives brown ring on adding FeSO_4 and Cone. \H_2\SO_4. Identify (A).

Manipal Entrance Test 2013 Chemistry Paper

Question : 4 of 60

Marks: +1, -0

(A) +tap water → white turbidity soluble in aq.NH3
(A)

–––––🢖

‌residue(B)+NO2+O2
Aqueous (A) gives brown ring on adding FeSO‌4 and Cone. H2SO4. Identify (A).

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