Which of the following does not give a yellow solid on treatment with sodium hypoiodite?

$(A)$ $\xrightarrow{NH_2OH} (B)$ $\xrightarrow{H_2SO_4} (C)$ $\xrightarrow{H_3O^{\oplus}} (D) + (E)$ $\xrightarrow{CHCl_3, KOH} CH_3-NC$ (carbylamine test). $(D)$ $\xrightarrow{SOCl_2} (F)$ $\xrightarrow{(i) PhMgBr \text{ (excess) } (ii) H^{\oplus}} (G)$ $\xrightarrow[\Delta]{H^{\oplus}} (H)$ $\xrightarrow{CH_2I_2, Zn/Cu} \text{1,1-diphenylcyclopropane}$. The molecular weight of compound $(A)$ is:

Identify the reaction in which the carbonyl group of aldehydes and ketones is reduced to a methylene group upon treatment with hydrazine followed by heating with sodium hydroxide in ethylene glycol.

What is formed when carbon monoxide reacts with $Cl_2$ in the presence of sunlight?

The polymer shown in the image is obtained when a carbon compound is allowed to stand. It is a white solid. The polymer is:

The typical reaction of an aldehyde is