What is the general molecular formula of the products obtained on heating lanthanoid (Ln) with sulphur?

Question

What is the general molecular formula of the products obtained on heating lanthanoid (Ln) with sulphur?

What is the general molecular formula of the products obtained on heating lanthanoid (Ln) with sulphur?
A. LnS
B. `LnS_(3)`
C. `Ln_(3)S_(2)`
D. `Ln_(2)S_(3)`

Monjur Alahi

4 views

2025-01-04 04:42

1 Answers

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Salim Ahmed Kawsar · Accepted Answer · 2023-02-05T15:29:48+06:00

Salim Ahmed Kawsar

Correct Answer - D
When lanthanoids (Lu) are heated with sulphur , then `Ln_(2)S_(3)` are formed their sulphides `(Ln_(2)S_(3))` are highly stable because Ln is `+3` oxidation state.

4 views Answered 2023-02-05 15:29