连多硫酸

连多硫酸是一种强酸，通式为H₂S_xO₆，x可以从3一直到80，通常范围在1~6。阴离子通式为O₃SS_ySO3^2-，y为0~3。

分解

连多硫酸常在加热时分解为硫酸、二氧化硫或硫

\mathrm {H_{2}S_{2}O_{6}} \;{\xrightarrow {\triangle }}\;\mathrm {H_{2}SO_{4}} +\mathrm {SO_{2}\uparrow } \

\mathrm {H_{2}S_{5}O_{6}} \;{\xrightarrow {\triangle }}\;\mathrm {H_{2}SO_{4}} +\mathrm {SO_{2}\uparrow } +\mathrm {3S\downarrow } \

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