Assertion: The oxidation number of $\mathrm{S}$ is $+6$ in $\mathrm{H}_2 \mathrm{SO}_4$. Reason: $\mathrm{H}_2 \mathrm{SO}_4$ has one peroxide linkage.

If both Assertion and Reason are correct and Reason is the correct explanation of Assertion

If both Assertion and Reason are correct, but Reason is not the correct explanation of Assertion

If both Assertion and Reason are incorrect

JEE CHEMISTRY MCQ: REDOX REACTIONS

1 Easy

1 of 1

Analyzing +4 | -1

Assertion: The oxidation number of

\mathrm{S}

+6

\mathrm{H}_2 \mathrm{SO}_4

.
Reason:

\mathrm{H}_2 \mathrm{SO}_4

has one peroxide linkage.

View answer and explanation

Correct option: C

If Assertion is correct but Reason is incorrect

The correct answer is A (1) because, based on the stoichiometry and equilibrium calculations, the Kp for the reaction is found to be 1.

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\mathrm{H}

2 \mathrm{KClO}_3 \longrightarrow 2 \mathrm{KCl}+3 \mathrm{O}_2

\mathrm{HNO}_3

\mathrm{HNO}_3

\mathrm{MnO}_4^{-}(\mathrm{aq})+\mathrm{Br}^{-}(\mathrm{aq})+\mathrm{H}_2 \mathrm{O} \longrightarrow 2 \mathrm{MnO}_2(\mathrm{aq})+\mathrm{BrO}_3^{-}(\mathrm{aq})+2 \mathrm{OH}^{-}(\mathrm{aq})

\mathrm{Br}

-1

+5.