Given below are two statements: one is labelled as Assertion A and the other is labelled as Reason R: Assertion A: The energy required to form \(Mg^{2+}\) from Mg is much higher than that required to produce \(Mg^+\) Reason R: \(Mg^{2+}\) is small ion and carry more charge than \(Mg^{+}\). In the light of the above statements, choose the correct answer from the options given below.