Identify the products [A] and [B], respectively in the following reaction:

Which of the following graphs most appropriately represents a zero order reaction?

Identify the coordination complexes in which the central metal ion has $\mathrm{d}^4$ configuration.

(A) $\left[\mathrm{FeO}_4\right]^{2-}$

(B) $\quad\left[\mathrm{Mn}(\mathrm{CN})_6\right]^{3-}$

(C) $\left[\mathrm{Fe}(\mathrm{CN})_6\right]^{3-}$

(D) (E) $\left[\mathrm{NiF}_6\right]^{2-}$

Choose the correct answer from the options given below :

Identify A, B and C in the given below reaction sequence