ChemistryMediumHigh School (11–12)The d- and f-Block Elements › Lanthanoids and Actinoids (f-Block)NEETA-LevelIB
Created by StemPy LabMatch the catalyst with the process. List I: (a) (b) iron with a promoter (c) finely divided nickel (d) with . List II: (i) hydrogenation of oils (ii) polymerisation of ethene (iii) synthesis of ammonia (iv) contact process.
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← Which pair of actinoids both show the +7 oxidation state?How many of the following statements are correct? (1) The 4f electrons are held deep inside the atom. (2) The contraction is greater at each step in the actinoids than in the lanthanoids. (3) The basic strength of the hydroxides falls from La to Lu. (4) Every lanthanoid shows the +2 state. →
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