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NEET UG CHEMISTRY MCQ: REDOX REACTIONS

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Analyzing +4 | -1
Assertion :- Oxidation number of CrCr in CrO5CrO_5 is +6.

Reason :- In CrO5,CrO_5, four oxygen atoms are involed in peroxide linkage.
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Correct option: A
If both Assertion & Reason are True & the Reason is a correct explanation of the Assertion
Assertion and Reason are true, and the Reason is a correct explanation of the Assertion. The presence of peroxide linkages in CrO₅ leads to a lower average oxidation state calculation, but the actual oxidation state of Cr is +6.

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The oxidation state of iron in sodium nitroprusside is : Titrations in which liberated I2{I_2} is estimated to carry out the volumetric estimations are known as ….titrations. It is found that V forms a double salt isomorphous with Mohr’s salt. The oxidation number of V in this compound is : For redox reaction, MnO4−+C2O42−+H+→Mn2++CO2+H2O\mathrm{MnO}_4^ - + {\mathrm{C}_2}\mathrm{O}_4^{2 - } + {\mathrm{H}^ + } \to \mathrm{M}{\mathrm{n}^{2 + }} + \mathrm{C}{\mathrm{O}_2} + {\mathrm{H}_2}\mathrm{O} coefficient of reactants in balanced states are MnO4−\mathrm{MnO}_4^ -, C2O42−{\mathrm{C}_2}\mathrm{O}_4^{2 - }, H+{\mathrm{H}^ + } Which one of the following reaction is possible at anode? The couple having oxidised and reduced forms of a substance taking part in an oxidation or reduction half-reaction is called
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