Chemical Reactions of Haloalkanes

What is the order of reactivity of following compounds towards  $S_N{}^1$ substitutions reaction.
(i) 

(ii) 

(iii) 

What is the order of reactivity of following compounds towards  ${\mathrm{S}}_{\mathrm{N}}1$ substitution reaction.

Which one of the following two substances undergoes ${\mathrm{S}}_{\mathrm{N}}1$ reaction faster?

(i)    or   (ii) 

(CH₃)₃CMgCl on reaction with D₂O produces –

An S_N2 reaction at an asymmetric carbon of a compound always gives:

A solution of (+) -2-chloro-2-phenylethane in toluene racemises slowly in the presence of small amount of  $SbC{l}_5$ , due to the formation of –

A solution of (+) -2-chloro-1-phenylethane in toluene racemises slowly in the presence of small amount of  ${\mathrm{SbCl}}_5$, due to the formation of:

n–propyl bromide on treatment with ethanolic potassium hydroxide produces

The major product of the following reaction is

The product of following reaction is –

${\text{C}}_2{\text{H}}_5{\text{O}}^{-}+\text{C}{\text{H}}_3\text{C}{\text{H}}_2\text{I}\to$

$2-$Methyl propyl bromide reacts with ${\mathrm{C}}_2{\mathrm{H}}_5{\mathrm{O}}^{-}$and gives $‘\mathrm{A}’$ whereas on reaction with ${\mathrm{C}}_2{\mathrm{H}}_5\mathrm{OH}$ it gives $‘\mathrm{B}’.$ The mechanism followed in these reactions and the products $‘\mathrm{A}’$ and $‘\mathrm{B}’$ respectively are:

Match List-I with List-II.

1-Bromopropane is reacted with reagents in List-I to give product in List-II

Identify the correct order of reactivity for the following pairs towards the respective mechanism

(A) 

(B) 

(C) Electrophilic substitution

(D) Nucleophilic substitution

Choose the correction answer from the options given below:

Where Nu = Nucleophile

Find out the correct statement from the options given below for the above two reactions.

Choose the halogen which is most reactive towards SN1 reaction in the given compounds (A, B, C & D)

A. 

B. 

C. 

D. 

The rate of nucleophilic substitution reaction is maximum in