JEE CHEMISTRY MCQ: P-BLOCK ELEMENTS

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Analyzing +4 | -1

In a reaction, 4 mole of electrons are transferred to 1 mole of

{HNO}_3

, the possible product obtained due to reduction is :-

View answer and explanation

Correct option: B

0.5 mole of

{N}_2 {O}

The correct answer is B (0.5 mole of

{N}_2 {O}

) because the reduction of

{HNO}_3

by 4 moles of electrons results in nitrogen having a +1 oxidation state, corresponding to

{N}_2 {O}

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17^{\text {th }}

{O}_2

{O}_2

\mathrm{C}{\mathrm{N}^ - }

{\mathrm{N}_2}

\mathrm{C}{\mathrm{N}^ - },\mathrm{\;}{\mathrm{N}_2}

2 {Fe}^{3+}+{SO}_2+2 {H}_2 {O} \rightarrow 2 {Fe}^{2+}+{SO}_4^{2-}+4 {H}^{+}

{H}_2 {~S}_2 {O}_8

{S}={O}

{S}-{OH}

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{H}_2 {SO}_4

{H}_2 {SO}_4