fe3+ is reduced to fe2+ by using
H2O2 in the presence of NaOH
Na2O2 in water
H2O2 in the presence of H2SO4
Na2O2 in the presence of H2SO4
Given below are two statements:
Statement (I): The first ionization energy of Pb is greater than that of Sn.
Statement (II): The first ionization energy of Ge is greater than that of Si.
In light of the above statements, choose the correct answer from the options given below: