Among the following chlorides the compounds which will be hydrolysed most easily and most slowly in aqueous NaOH solution are respectively:

1. Methoxymethyl chloride

2. Benzyl chloride

3. Neopentyl chloride

4. Propyl chloride

$$C{H_3} - O - C{H_2} - Cl\mathrel{\mathop{\kern0pt\longrightarrow} \limits_\Delta ^{aq{.^\Theta }OH}} C{H_3} - O - C{H_2} - OH$$

Which information below regarding this reaction is applicable?

The correct order of the addition reaction rates of halogen acids with ethylene is

The number of possible organobromine compounds which can be obtained in the allylic bromination of 1-butene with N-bromosuccinimide is