EXERCISE-1

$(\mathrm{C}-\mathrm{Cl})$ bond in ${\mathrm{CH}}_2=\mathrm{CH}-\mathrm{Cl}$ (vinyl chloride) is stabilised in the same way as in:

Which of the following is incorrect:

Spin multiplicity of Triplet nitrene is:

The maximum probability of proton loss is in the case of:

The smallest alkane which can show optical isomerism possesses-

The number of possible dichloronitrobenzene isomers is:

Arrange the following in order of decreasing acidic strength. $\mathrm{p}-$ nitrophenol $\left(\mathrm{I}\right), \mathrm{p}-$cresol $\left(\mathrm{II}\right), \mathrm{m}-$cresol$\left(\mathrm{III}\right),$ phenol $\left(\mathrm{IV}\right):$

The configurations of the compounds I and II

are respectively