There is no S-S bond is

Aqueous solution of $N{a}_2{S}_2{O}_{3}Na\_2S\_2O\_3$ on reaction with $C{l}_{2}Cl\_2$ gives

The number of S—S bonds in sulphur trioxide trimer, $(S_3{O}_9)(S\_3O\_9)$ is

Which of the following is not oxidised by $O_{3}O\_3$?

Identify, the correct order of acidic strength of $C{O}_2,CuO,CaO,H_{2}OCO\_2\; ,\; CuO,\; CaO,\; H\_2O$

Identify, the correct order of solubility of $N{a}_{2}SNa\_2S$, CuS and ZnS in aqueous medium

Which of the following has —O—O— linkage?

A gas that cannot be collected over water is

The element which liberated $O_{2}O\_2$ from water is

When $I_{2}I\_2$ is dissolved in $CC{I}_{4}CCI\_4$ the colour that results is