A substance on treatment with dil. \[{{H}_{2}}S{{O}_{4}}\] liberates a – McqOptions

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1.	A substance on treatment with dil. \[{{H}_{2}}S{{O}_{4}}\] liberates a colourless gas which produces (I) turbidity with baryta water and (II) turns acidified dichromate solution green. The reaction indicates the presence of
A.	\[CO_{3}^{2-}\]
B.	\[{{s}^{2-}}\]
C.	\[SO_{3}^{2-}\]
D.	\[NO_{3}^{-}\]
Answer» D. \[NO_{3}^{-}\]

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