1.

Choose correct statement:

Answer»

`Na_(2)S_(2)O_(3).5H_(2)O` cannot be dehydrated to `Na_(2)S_(2)O_(3)` on heating at `215^(@)` C
HYPO FORMS penta sulphide on heating at or above 500K
The reaction of chlorine with hypo is an oxidation reaction involving CHANGE in oxidation of both sulphur atoms from `+2.5` to `+6`.
A dilute solution of hypo GIVES a white precipitate with both `BaC1_(2)` and `CaC1_(2)`

Answer :B


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