The following is mentioned in NCERT (government textbook in India used in all schools) under chemical properties of $\ce{H2O2}:$ (iv) Reducing action in basic medium $$\ce{I2 + H2O2 + 2 OH- -> 2 I- + 2 H2O + O2}$$ I feel the reaction is not correct. Since $\ce{H2O2}$ is a moderate/stro...

It is well known that, even in periods 3 and higher, the bonding in so-called "hypervalent" main-group molecules nearly always do not involve d-orbitals, and I've heard that it's because the d-orbitals are just too high in energy. I now have a question: if the energetic difference is the only pr...