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What is the general molecular formula of...

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)`

Text Solution

Verified by Experts

The correct Answer is:
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.
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Knowledge Check

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

    A
    `LnS`
    B
    ` LnS_3`
    C
    `Ln_3S_2`
    D
    `Ln_2S_3`
  • What is the general molecular formula of the products obtained on heating lanthanoids (Ln) with sulphur?

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

    A
    `LnS`
    B
    `LnS_3`
    C
    `Ln_3S_2`
    D
    `Ln_2S_3`
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