Consider the above reaction and predict the major product.

Identify $A$ and $B$ in the given reaction sequence:
Cyclohexylidene ethyl acetate $\xrightarrow{A}$ Cyclohexylidene ethanol $\xrightarrow{MnO_2} B$

Which among the following colours is obtained in Schiff test of aldehydes?

$(A)$ $\xrightarrow{NH_2OH} (B)$ $\xrightarrow{H_2SO_4} (C)$ $\xrightarrow{H_3O^{\oplus}} (D) + (E)$ $\xrightarrow{CHCl_3, KOH} CH_3-NC$ (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:

Which of the following reagents can be used to distinguish between an aldehyde and a ketone?

Which of the following will not give the iodoform test?