Consider the following reaction:
Which response contains all the correct statements about this process?
$1.$ Dehydration
$2.$ $E_2$ mechanism
$3.$ Carbon skeleton migration
$4.$ Most stable alkene will form
$5.$ Single-step reaction

Arrange the following $(w, x, y, z)$ in decreasing order of their boiling points.

Which of the following reactions will yield $2-propanol$? Select the correct answer from $a, b, c$ and $d$.
$I. \, CH_2 = CH - CH_3 + H_2O \xrightarrow{H^+} $
$II. \, CH_3 - CHO \xrightarrow[(ii) \, H_2O]{(i) \, CH_3MgI} $
$III. \, CH_2O \xrightarrow[(ii) \, H_2O]{(i) \, C_2H_5MgI} $
$IV. \, CH_2 = CH - CH_3 \xrightarrow{KMnO_4} $

From the following compounds,determine the number of compounds that give $(i)$ a red colouration with ceric ammonium nitrate and $(ii)$ a positive iodoform test: $...........$.

Given below are two statements:
Statement $I$: $p$-nitrophenol is more acidic than $m$-nitrophenol and $o$-nitrophenol.
Statement $II$: Ethanol will give immediate turbidity with Lucas reagent.
In the light of the above statements,choose the correct answer from the options given below:

What is the major organic product of the following reaction?
(Image of $2-$methyl$-2,3-$dihydrobenzofuran with an $^{18}O$ atom in the ring,reacting with $H_3O^+$)