The correct order of their reactivity towards hydrolysis at room temperature is:

Which among the above compound/s does/do not form Silver mirror when treated with Tollen's reagent?

The increasing order of the following compounds towards $\mathrm{HCN}$ addition is :

(i)   (ii)  (iii)(iv)   

The major product of the following reaction is:

The increasing order of the reactivity of the following with $\text{L}\text{i}\text{A}\text{l}{\text{H}}_4$ is:

$\left(A\right)$

$\left(B\right)$

$\left(C\right)$

$\left(D\right)$