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A and B are elements with atomic numbers...

A and B are elements with atomic numbers 16 and 17. Write different combinations of binary compounds known from them. 

Text Solution

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Atomic number of A = 16. It is sulphur. Atomic number of B = 17. It is chlorine. Excess sulphur reacts with chlorine to give dimeric monochloride.
Sulphur reacts with excess chlorine to give tetrachloride. Molten dimeric monochloride on saturation with chlorine gives dichloride.
`2S+ Cl _(2) to S_(2) Cl _(2),`
`S + 2 Cl _(2) to SCl _(4) and `
`S_(2) Cl _(2) + Cl _(2) to 2 SCl_(2)`
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