Which of the following statements is not corr | vedclass

Name: Exam Paper Generator | JEE NEET Paper Generator | Vedclass
Brand: Vedclass
Rating: 5 (35 reviews)

Question

(C) In $(NH_4)_2S_2O_8$ (peroxydisulfuric acid salt),the structure contains a peroxide linkage $(-O-O-)$. Calculating the oxidation state of $S$: $2(+

Vedclass · Accepted Answer

The oxidation number of $S$ in $H_2SO_5$ is $+8$.

Vedclass · Answer

(C) In $(NH_4)_2S_2O_8$ (peroxydisulfuric acid salt),the structure contains a peroxide linkage $(-O-O-)$. Calculating the oxidation state of $S$: $2(+1) + 2(x) + 8(-2) = 0$,but accounting for the peroxide bond,$2(+1) + 2(x) + 6(-2) + 2(-1) = 0$,which gives $2 + 2x - 12 - 2 = 0$,so $2x = 12$,$x = +6$. This is correct.In $OsO_4$,$x + 4(-2) = 0$,so $x = +8$. This is correct.In $H_2SO_5$ (Caro's acid),the structure contains a peroxide linkage. Calculating: $2(+1) + x + 5(-2) = 0$ gives $x = +8$,but this is incorrect because the actual oxidation state is $2(+1) + x + 3(-2) + 2(-1) = 0$,which gives $2 + x - 6 - 2 = 0$,so $x = +6$. Thus,the statement that it is $+8$ is incorrect.In $KO_2$ (potassium superoxide),$O$ is in the superoxide ion $(O_2^-)$,so the oxidation number is $-1/2$. This is correct.

Which of the following statements is not correct?

Similar Questions

Oxidation state of manganese in potassium permanganate is:

If a metal ion $M^{3+}$ loses three more electrons,what will be its final oxidation number?

What are the oxidation numbers of nitrogen in $NH_4NO_3$?

In which of the following compounds,an element exhibits two different oxidation states?

The oxidation number of $N$ in $N_3H$ is ..........

Vedclass Test Series

Exam Paper Generator

Online Exam Module