GATE CY 2025 Question Paper (15-Feb-2025) (Shift-1)

The phosphazene compound that acts as a superbase is

The reaction for the synthesis of $M{e}_{2}SiC{l}_2$ through Rochow-Müller process is

Upon cooling from room temperature, the magnetic susceptibility of $MnO$ slowly increases until $118K$, and then it decreases. This phenomenon is known as

An aqueous solution of $Co(Cl{O}_4{)}_2\cdot 6H_{2}O$ is light pink in colour. Addition of conc. HCl results in an intense blue coloured solution due to the formation of a new species. The new species among the following is

[Given: Atomic number of Co = 27]

For an unambiguous single step synthesis of the following target molecule (TM), the best bond disconnection in its retrosynthetic analysis is