1.

How lanthanoids reacts with water and dil. Acids?

Answer»

SOLUTION :With water lanthanoids gives HYDROXIDES with the LIBERATION of hydrogen.
`6Ln+6H_(2)Orarr2Ln(OH)_(3)+3H_(2)`
With DIL acid they liberate hydrogen
`Ln+dil" ACIDS"rarrH_(2)` gas.


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