Match List I with List II

Choose the correct answer from the options given below :

Identify the product formed (A and E)

'25 volume' hydrogen peroxide means

The radius of the $$\mathrm{2^{nd}}$$ orbit of $$\mathrm{Li^{2+}}$$ is $$x$$. The expected radius of the $$\mathrm{3^{rd}}$$ orbit of $$\mathrm{Be^{3+}}$$ is