Redox Reactions · JEE Advanced previous year questions

2023 1 question

1. Q442023 · 4 Jun 2023 · Paper 2· Numerical answer

   Consider the following molecules: $\mathrm{B}{\mathrm{r}}_3{\mathrm{O}}_8$, ${\mathrm{F}}_2\mathrm{O}$, ${\mathrm{H}}_2{\mathrm{S}}_4{\mathrm{O}}_6$, ${\mathrm{H}}_2{\mathrm{S}}_5{\mathrm{O}}_6$, and ${\mathrm{C}}_3{\mathrm{O}}_2$. Count the number of atoms existing in their zero oxidation state in each molecule. Their sum is _____.

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   Answer: 6