Which property of alkaline earth metals increases with their atomic number?
- ASolubility of their hydroxides in water
- BSolubility of their sulphate salts in water
- CIonization enthalpy
- DElectronegativity
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Which of the following reactions represents the "slaking of lime"?
Both $Be$ and $Al$ become passive on reaction with conc. nitric acid due to :
Medium
View SolutionWrite the preparation,properties,and uses of calcium carbonate $(CaCO_3)$.
Difficult
View SolutionObserve the following compounds.
$(i)$ $CaCO_3$
$(ii)$ $MgSO_4$
$(iii)$ $BaCl_2$
$(iv)$ $Sr(NO_3)_2$
$(v)$ $MgBr_2$
$(vi)$ $MgCl_2$
The oxoacid salts of group $II$ elements from the above list are
$(i)$ $CaCO_3$
$(ii)$ $MgSO_4$
$(iii)$ $BaCl_2$
$(iv)$ $Sr(NO_3)_2$
$(v)$ $MgBr_2$
$(vi)$ $MgCl_2$
The oxoacid salts of group $II$ elements from the above list are
The alkaline earth metals $Ba$,$Sr$,$Ca$ and $Mg$ may be arranged in the order of their decreasing first ionisation potential as
Medium
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