Arrange the following in the order of property mentioned.
`BeCl_2, Mg Cl_2, CaCl_2 , SrCl_2` (decreasing ionic character)

Arrange the following in the order of property mentioned. BeO, MgO , CaO, BaO (increasing basic character)

Arrange the following in the order of property mentioned. Be(OH)_2, Mg(OH)_2, Sr(OH)_2, Ba(OH)_2 (decreasing solubility in water)

Arrange the following in the increasing order of ionic character : KCl, MgCl_2 , CaCl_2, BeCl_2 .

Arrange the following in order of decreasing bond angle. CO_(2), H_(2)O, CH_(4)

Arrange the following in the order of their increasing size : Cl^(-) , S^(2-) , Ca^(2+) , Ar

Arrange the following in the order as mentioned : -CN, -CI, -OH, -NO_2 groups in the order of decreasing -l-effect,

Arrange the following in order of property indicated for each set: (i) H_(2)O,H_(2)S,H_(2)Se,H_(2)Te - Increasing acidic character (ii) HF,HCl,HBr,HI - decreasing bond enthalpy

(a) Arrange the following in decreasing order of ionic character. CaCl_(2), BeCl_(2), BaCl_(2),MgCl_(2), SrCl_(2) (b) Arrange the following in decreasing order of solubility in water. (i) Be(OH)_(2),Ca(OH)_(2),Ba(OH)_(2),Sr(OH)_(2) (ii) BeSO_(4), MgSO_(4), CaSO_(4), SrSO_(4)