The order of S_N1 reactivity in the aqueous acetic acid solution for the given compounds is:   

1.  I > II > III

2.  I > III > II

3.  III > II > I

4.  III > I > II

Select the most correct statement among the following:

The compound which undergoes hydrolysis on just warming with water and forms the corresponding hydroxyl derivative is:

1.  2, 4, 6-Trinitrochlorobenzene

2.  2-Chloro-1-butene

3.  2-Chloro-2-methyl butane

4.  2, 4-Dimethoxychlorobenzene

The compound that is most reactive with alcoholic KOH is

1.  ${\mathrm{CH}}_2 = \mathrm{CH} - \mathrm{Br}$

2.  ${\mathrm{CH}}_3{\mathrm{CH}}_2\mathrm{Br}$

3.  ${\left({\mathrm{CH}}_3\right)}_2\mathrm{CH} - \mathrm{Br}$

4.  ${\mathrm{CH}}_3{\mathrm{COCH}}_2{\mathrm{CH}}_2\mathrm{Br}$

(i) Chloro benzene is mono-nitrated to M

(ii) Nitrobenzene is mono-chlorinated to N

(iii) Anisole is mono-nitrated to P

(iv) 2-nitro chlorobenzene is mono-nitrated to Q

Out of M, N, P, and Q, the compound that undergoes reaction with aqueous NaOH fastest is:

1.  M

2.  N

3.  P

4.  Q

If there is no rotation of plane-polarized light by a compound in a specific solvent, thought to be chiral, it may mean that :

1. The compound is certainly a chiral

2. The compound is certainly meso

3. There is no compound in the solvent

4. The compound may be a racemic mixture

In which of the following compounds, the C—Cl bond ionization shall give the most stable carbonium ion?

1. 

2. 

3. 

4. 

Chlorobenzene is prepared commercially by:

1. Grignard reaction

2. Raschig process

3. Wurtz-Fittig reaction

4. Friedel-Crafts reaction

A compound A of formula C₃H₆Cl₂ on reaction with alkali can give B of formula C₃H₆O or C of formula C₃H₄. B on oxidation gave a compound of the formula C₃H₆O₂. C with dilute H₂SO₄ containing Hg²⁺ ion gave D of formula C₃H₆O, which with bromine and NaOH gave the sodium salt of C₂H₄O₂. Then A is:

1. CH₃CH₂CHCl₂
2. CH₃CCl₂CH₃
3. CH₃CHClCH₂Cl
4. CH₂ClCH₂CH₂Cl

Which process does not occur during formation of CHCl₃ from C₂H₅OH and bleaching powder?

1. Hydrolysis                      2. Oxidation

3. Elimination                     4. Chlorination