निम्नलिखित अभिक्रिया के लिए संतुलित रासायनिक समीकरण की पहचान कीजिए: Mg + O2 → MgO

Given below are two statements: Statement I: The halogen that forms the longest bond with hydrogen in HX has the smallest covalent radius in its group. Statement II: A group 15 element's hydride (EH3) has the lowest boiling point among the corresponding hydrides of group 15 elements. The maximum covalency of that element E is 4. In the light of the above statements, choose the correct answer.

Match List-I (Reagents) with List-II (Name of Reaction) and select the correct option: List-I: A. NH2-NH2, KOH B. [Ag(NH3)2]OH C. Aq. CuSO4 + Sodium Potassium Tartrate + KOH D. Zn-Hg, HCl List-II: I. Tollen's Test II. Clemmensen Reduction III. Wolff-Kishner Reduction IV. Fehling's Test