JEE Main · 2021 · 26 Aug 2021 · Shift 1 · Hydrocarbons

Identify A in the following reaction.

Given below are two statements :

Statement I : Benzene is nitrated to give nitrobenzene, which on further treatment with
${\mathrm{CH}}_3\mathrm{COCl}/{\mathrm{AlCl}}_3$ will give

As compared with chlorocyclohexane, which of the following statements correctly apply to chlorobenzene?
A. The magnitude of negative charge is more on chlorine atoms
B. The $\mathrm{C}-\mathrm{Cl}$ bond has partial double bond character
C. $\mathrm{C}-\mathrm{Cl}$ bond is les …

The cycloalkane ( X ) on bromination consumes one mole of bromine per mole of ( X ) and gives the product ( Y ) in which $\mathrm{C}:\mathrm{Br}$ ratio is $3:1$. The percentage of bromine in the product $(\mathrm{Y})$ is
____ %. (Nearest integer)
(Given : Molar mass …

The dibromo compound [P] (molecular formula: ${\mathrm{C}}_9{\mathrm{H}}_{10}{\mathrm{Br}}_2$) when heated with excess sodamide followed by treatment with dilute HCl gives [Q]. On warming [Q] with mercuric sulphate and dilute sulphuric acid yield [R] which gives positive Iodoform t …

But-2-yne and hydrogen (one mole each) are separately treated with (i) $\mathrm{Pd}/\mathrm{C}$ and (ii) $\mathrm{Na}/$ liq. ${\mathrm{NH}}_3$ to give the products X and Y respectively.

Identify the incorrect statements.
A. $X$ and $Y$ are stereoisomers.
B. Dipole moment of X …