For the following questions answer them individually
The pair of metal ions that can give a spin only magnetic moment of 3.9 BM for the complex $$[M(H_2O)_6]Cl_2$$, is:
The metal's d-orbitals that are directly facing the ligands in $$K_3[Co(CN)_6]$$ are:
$$Mn_2(CO)_{10}$$ is an organometallic compound due to the presence of:

cannot be prepared by:
In the following reactions, products A and B are:

The major product of the following reaction is:
In the following reaction:

The best combination is:
The increasing order of reactivity of the following compounds towards reaction with alkyl halides directly is:
Poly-$$\beta$$-hydroxybutyrate-co-$$\beta$$-hydroxyvalerate (PHBV) is a copolymer of ____.
Among the following compounds most basic amino acid is: