MCQ
There is no $S-S$ bond in
- A$S_2O_4^{2-}$
- ✓$S_2O_5^{2-}$
- C$S_2O_3^{2-}$
- D$S_2O_7^{2-}$
$K{O_3}\, + HCl\, \to \,{O_2}\, + KCl\, + \,{H_2}O$
$O_2$ is best absorbed by alkaline pyrogallol.
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Which of the following statements is correct ?
$(a)$ Peroxide ion as well as dioxygen molecule both are paramagnetic species
$(b)$ In set of isomers, $[Cr(H_2O)_6]Cl_3$ and $[CrCl(H_2O) _5]Cl_2 . H_2O,$ both compounds can easily loose water molecule on treatment with cone. $H_2SO_4$
$(c)$ During transformation $NO \to NO^+$ , bond length and magnetic behaviour decreases
$(d)$ An ether is more volatile than alcohol both having same molecular formula