An organic compound [A], molecular formula C₁₀H₂₀O₂ was hydrolyzed with dilute sulphuric acid to give a carboxylic acid [B] and an alcohol [C]. Oxidation of [C] with
CrO₃ - H₂SO₄ produced [B]. Which of the following strucutres are not possible for [A]?

The electronic spectrum of [Ti(H₂O)₆]³⁺ shows a single broad peak with a maximum at 20,300 cm^-1 . The crystal field stabilization energy (CFSE) of the complex ion, in kJ mol^-1, is :

Of the species, NO, NO⁺, NO²⁺ and NO^- , the one with minimum bond strength is :

Glycerol is separated in soap industries by :