The s-Block Elements
When SiCI4 vapours are passed over hot Mg, the products formed are
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Give reasons:MgCl2 is more than covalent than NaCl
A sodium salt of unknown anion when treated with MgCl2 gives white precipitate only on boiling the anion is
The oxidation state of potassium in K2O is_________.
Assertion :Both Li2CO3 and Na2CO3 will turn lime water milky on heating. Reason :Li2CO3 on heating gives Li2O and CO2 on heating.
Assertion :FrClO4,Fr2PtCl6 are low solubility compounds of Fr. Reason :FrClO4,Fr2PtCl6 have larger alkali metal ion.
Among LiCl,RbCl,BeCl2 and MgCl2, the compounds with greatest and least ionic character respectively are:
Cause of diagonal relationship is
Assertion :The fluorides of alkaline earth metals are relatively less soluble than chlorides. Reason :Fluorides have high lattice energies.