Beryllium and aluminium exhibit many similar properties. However,they differ in which of the following aspects?
- AMaximum covalency in compounds
- BAmphoteric nature of their oxides
- CFormation of covalent halides
- DFormation of polymeric hydrides
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Which of the following is least hydrolysed?
Among the alkaline earth metals ($Be$,$Mg$,$Ca$,and $Sr$) of group $IIA$,which one forms an ionic chloride?
Medium
View Solution$BeO$ reacts with $HF$ in the presence of ammonia to give $[A]$,which on thermal decomposition produces $[B]$ and ammonium fluoride. The oxidation state of $Be$ in $[A]$ is $.....$.
Which of the following statement$(s)$ is/are correct?
$(i)$ $LiNO_3$ and $Ba(NO_3)_2$ both will give $NO_2$ on heating.
$(ii)$ $BaSO_4$ is less soluble in water than $CaSO_4$.
$(iii)$ Alkaline earth metals do not dissolve in liquid ammonia.
$(i)$ $LiNO_3$ and $Ba(NO_3)_2$ both will give $NO_2$ on heating.
$(ii)$ $BaSO_4$ is less soluble in water than $CaSO_4$.
$(iii)$ Alkaline earth metals do not dissolve in liquid ammonia.
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