Give reasons for the following:
(i) Phenol is more acidic than ethanol.
(ii) The boiling point of ethanol is higher in comparison to methoxymethane.
(iii) (CH₃)₃C - O - CH₃ on reaction with HI gives CH₃OH and (CH₃)₃C -I as the main products and not (CH₃)₃C -OH and CH₃I.

Which aerosol depletes ozone layer?

Write the IUPAC name of the following compound:

Give reasons for the following:

(i) Ethyl iodide undergoes S_N2 reaction faster than ethyl bromide.

(ii) (±) 2-Butanol is optically inactive.

(iii) C -X bond length in halo benzene is smaller than C -X bond length in CH₃- X.

446.

Write the IUPAC name of the following.

Answer the following question:

(i) What is meant by the chirality of a compound? Give an example.

(ii) Which one of the following compounds is more easily hydrolyzed by KOH and why?

CH₃CHCICH₂CH₃ or CH₃CH₂CH₂Cl

(iii) Which one undergoes S N 2 substitution reaction faster and why?

Out of  and which is more reactive towards
S_N 1 reaction and why?

Given reasons:
(i)C–Cl bond length in chlorobenzene is shorter than C–Cl bond length in CH₃–Cl.
(ii)The dipole moment of chlorobenzene is lower than that of cyclohexyl chloride.
(iii)S_N1 reactions are accompanied by racemization in optically active alkyl halides.

Write the structure of an isomer of compound C₄H₉Br which is most reactive towards S_N1 reaction.