On combustion 0.210 g of an organic compound containing C, H and O gave 0.127 g H₂O and 0.307 g CO₂. The percentages of hydrogen and oxygen in the given organic compound respectively are:

The number of species from the following that are involved in sp³d² hybridization is :

[Co(NH₃)₆]³⁺, SF₆, [CrF₆]³⁻, [CoF₆]³⁻, [Mn(CN)₆]³⁻, and [MnCl₆]³⁻

Which of the following binary mixture does not show the behaviour of minimum boiling azeotropes?

Given below are two statements:

Statement I: H₂Se is more acidic than H₂Te

Statement II: H₂Se has higher bond enthalpy for dissociation than H₂Te

In the light of the above statements, choose the correct answer from the options given below: