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

Which one of the following compounds will readily react with dilute $NaOH$?

The correct order for acidity of the following hydroxyl compounds is:
$A. CH_3OH$
$B. (CH_3)_3COH$
$C. C_6H_5OH$
$D. p-CH_3OC_6H_4OH$
$E. p-O_2NC_6H_4OH$
Choose the correct answer from the options given below:

$4.7 \text{ g}$ of phenol is heated with $Zn$ to give product $X$. If this reaction goes to $60\%$ completion, then the number of moles of compound $X$ formed will be . . . . . . $\times 10^{-2}$. (Nearest Integer) (Given molar mass in $\text{g mol}^{-1}$: $H:1, C:12, O:16$)

$Acetophenone$ $\xrightarrow{{HCO_3H}} A$ $\xrightarrow{{H_3O^{+}}} B + C$ $\mathop {\xrightarrow{{Phthalic \, Anhydride}}}\limits_{{H^{+}}} $ Indicator $(D)$
$C$ and $D$ are

In the Liebermann nitroso reaction,what is the sequence of color changes in phenol?