The main reason for the brown ring test of $NO_3^-$ is:
- ANegligible tendency of $FeSO_4$ to form complex
- BReducing power of $FeSO_4$ to convert $NO_3^-$ to $NO$
- CDecomposition of $FeSO_4$ to give $SO_2$ gas
- DOxidising property of $FeSO_4$
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Similar Questions
Which of the following species acts as the weakest reducing agent?
Which of the following is not a reducing agent?
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View SolutionWhen acidified $K_2Cr_2O_7$ solution is added to $Sn^{2+}$ salt,then $Sn^{2+}$ changes to . . . . . . .
Potassium dichromate $(K_2Cr_2O_7)$ is used . . . . . . .
Identify the reducing agent in the following chemical equations:
$4Ag(s) + 8CN^{-}(aq) + 2H_{2}O(aq) + O_{2}(g) \rightarrow 4[Ag(CN)_{2}]^{-}(aq) + 4OH^{-}(aq)$
$2[Ag(CN)_{2}]^{-}(aq) + Zn(s) \rightarrow [Zn(CN)_{4}]^{2-}(aq) + 2Ag(s)$
$4Ag(s) + 8CN^{-}(aq) + 2H_{2}O(aq) + O_{2}(g) \rightarrow 4[Ag(CN)_{2}]^{-}(aq) + 4OH^{-}(aq)$
$2[Ag(CN)_{2}]^{-}(aq) + Zn(s) \rightarrow [Zn(CN)_{4}]^{2-}(aq) + 2Ag(s)$
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