Diagonal relationship and properties of alkali/alkaline earth metals

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  1. 1 2020 Phase-2 The s-Block Elements
    Identify the correct statement from the following.
    A Lithium chloride is deliquescent and crystallises as a hydrate, $LiCl\cdot H_2O$.
    B The order of hydration enthalpies of alkaline earth cations $Be^{2+}<Mg^{2+}<Ca^{2+}<Sr^{2+}<Ba^{2+}$
    C Lithium and Magnesium show some similarities in their physical properties as they are diagonally placed in periodic table.
    D Lithium is softer among all alkali metals.

Next chapter: Covalent character of lithium and beryllium compounds; diagonal relationship