Match the elements given in Column I with the properties mentioned in Column II.


(i) (c)

As Li has the most negative E value due to the high hydration energy.


(ii) (b)


As Alkali metals are more acidic than the given alkaline earth metals, while Li base is covalent in nature.


(iii) (d)


Calcium oxalate is insoluble in water


(iv) (a)


Due to the high hydration energy.


(iv)(e)


Electronic configuration of Ba is 1s22s22p63s23p63d104s24p64d105s25p66s2.


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