Question

Choose incorrect statement –

• A. reducing power in aqueous solution is maximum for lithium metal
• B. electron affinity order O⁺ > O >$O_{2}^{–2}$> O^–2
• C. order of oxidation number of oxygen SO₃> KO₂> BaO₂> K₂O
• D. pH of aqueous solution LiCl> BeCl₂> MgCl₂< AlCl₃

Answer 1

Answer: (D)

pH of aqueous solution

LiCl> BeCl₂> MgCl₂< AlCl₃

Answer 2

pH of aqueous solution is LiCl > MgCl₂ > BeCl₂ > AlCl₃

due to basic strength LiOH > Mg(OH)₂ > Be(OH)₂ > Al(OH)₃