The solubility of carbonates of the alkaline earth metals decreases down the group. This is due to a decrease in which of the following?
- AHydration energy of cations
- BInter-ionic attraction
- CEntropy of solution formation
- DLattice energy of the solid
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Discuss the general characteristics and gradation in properties of alkaline earth metals.
Difficult
View SolutionThe alkaline earth metal nitrate that does not crystallise with water molecules is
$BeO$ 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 $.....$.
Assertion : Both $Be$ and $Al$ can form complexes such as $BeF_4^{2-}$ and $AlF_6^{3-}$ respectively,$BeF_6^{3-}$ is not formed.
Reason : In case of $Be$,no vacant $d-$ orbitals are present in its outermost shell.
Reason : In case of $Be$,no vacant $d-$ orbitals are present in its outermost shell.
DifficultAIIMS 2015
View SolutionIn the given reaction cycle,$X$,$Y$ and $Z$ respectively are:
$CaCl_2 + Na_2CO_3 \rightarrow X + Y$
$X \xrightarrow{Z} CaCl_2$
$CaCl_2 + Na_2CO_3 \rightarrow X + Y$
$X \xrightarrow{Z} CaCl_2$
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