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+…

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