MCQ
The $IUPAC$ name of


- A$N-$ Cyclohexyl benzamide
- B$N-$ Phenyl $-N-$ cyclohexylmethanamide
- ✓$N-$ Phenylcyclohexane carboxamide
- D$N-$ Cyclohexyl $-N-$ phenylmethylamide


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$[A]$ $\mathrm{A} 1\left(\mathrm{CH}_3\right)_3$ has the three-centre two-electron bonds in its dimeric structure
$[B]$ $\mathrm{BH}_3$ has the three-centre two-electron bonds in its dimeric structure
$[\mathrm{C}] \mathrm{AlCl}_3$ has the three-centre two-electron bonds in its dimeric structure
$[D]$ The Lewis acidity of $\mathrm{BCl}_5$ is greater than that of $\mathrm{AlCl}_5$
$(I)$ $NI_3$ $(II)$ $I_3^-$
$(III)$ $SO_3^{-2}$ $(IV)$ $NO_3^-$
(Round off to the Nearest Integer) [Given : $R =8.314 \,J mol ^{-1} K ^{-1}$. Assume,
hydrogen is an ideal gas] [Atomic mass off $Fe$ is $55.85\, u$ ]