The anion which discharges at anode with great difficulty is __________ ions.

NO₃^-;

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Br^-;

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SO₄^2-;

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OH^-;

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Solution

The correct option is C
SO₄^2-;

SO₄^2-; discharges at anode with great difficulty.

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Similar questions

N a^{\oplus}, N O_{3}^{⊖}, C l^{⊖}

S O_{4}^{2 -}

F^{-} = 10; S O_{3}^{2 -} = 100; N O_{3}^{-} = 50

Which of these is a polyatomic ion?

${S O}_{4}^{2 -}$ , ${N O}_{3}^{-}$ , ${C O}_{3}^{2 -}$

[C u^{2 +}, O H^{-}, S O_{4}^{2 -}, H^{+}]

S O_{4}^{2 -}, N O_{3}^{-}

O H^{-}

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