Which of the following may act as both an oxi | vedclass

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(B) substance can act as both an oxidizing and a reducing agent if the central atom is in an intermediate oxidation state.$K_2Cr_2O_7$: Chromium is in

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$SO_2$

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(B) substance can act as both an oxidizing and a reducing agent if the central atom is in an intermediate oxidation state.$K_2Cr_2O_7$: Chromium is in its highest oxidation state $(+6)$,so it acts only as an oxidizing agent.$SO_2$: Sulphur is in the $+4$ oxidation state. Since the range of oxidation states for sulphur is $-2$ to $+6$,it can be oxidized to $+6$ (reducing agent) or reduced to lower states (oxidizing agent).$H_2S$: Sulphur is in its lowest oxidation state $(-2)$,so it acts only as a reducing agent.$NH_3$: Nitrogen is in its lowest oxidation state $(-3)$,so it acts only as a reducing agent.

Which of the following may act as both an oxidising and a reducing agent?

Similar Questions

Which of the following elements never acts as a reducing agent?

Which of the following,after reacting with $KI$,does not liberate iodine?

$(A) \ HOCl + H_2O_2 \rightarrow H_3O^{+} + Cl^{-} + O_2$
$(B) \ I_2 + H_2O_2 + 2 OH^{-} \rightarrow 2 I^{-} + 2 H_2O + O_2$
Choose the correct option.

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Which of the following substances can act as both an oxidizing agent and a reducing agent?

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