${\rm{C}}{{\rm{l}}_3}{\rm{CCOOH}} > {\rm{C}}{{\rm{l}}_2}{\rm{CHCOOH}} > {\rm{ClC}}{{\rm{H}}_2}{\rm{COOH}}$

${\rm{C}}{{\rm{l}}_3}{\rm{CCOOH}} > {\rm{C}}{{\rm{l}}_2}{\rm{CHCOOH}} < {\rm{ClC}}{{\rm{H}}_2}{\rm{COOH}}$

${\rm{C}}{{\rm{l}}_3}{\rm{CCOOH}}\left\langle {{\rm{C}}{{\rm{l}}_2}{\rm{CHCOOH}}} \right\rangle {\rm{ClC}}{{\rm{H}}_2}{\rm{COOH}}$

${\rm{C}}{{\rm{l}}_3}{\rm{CCOOH}} < {\rm{C}}{{\rm{l}}_2}{\rm{CHCOOH}} < {\rm{ClC}}{{\rm{H}}_2}{\rm{COOH}}$

$- CN$

$- CHO$

$- N{H_2}$

$- N{O_2}$

$CC{l_3}COOH$

$C{H_3}COOH$

$C{F_3}COOH$

$CB{r_3}COOH$

Electrophilic substitution

Nuclephilic substitution

Electrophilic addition

Radical substitution

Alkenes

Ethers

Aldehyde

Ketones

Carbon cation

Carbon anion

Carbon free radical

None of these

${\rm{C}}{{\rm{H}}_3}{\rm{CH}}X{\rm{CHO}}$

${\rm{C}}{{\rm{H}}_2}X{\rm{CHCHO}}$

${\rm{C}}{{\rm{H}}_2}{\rm{\;}} = {\rm{\;CHCH}}{X_2}$

None of these

$+ M$ of Ph

$+ I$ of Cl

$+ M$ of Cl

$- I$ of Ph

II > I > IV > III

III > IV > I > II

IV > III > II > I

I > II > III > IV

$+ M$ effect

$- I$ effect

$+ I$ effect

$- M$ effect

Sigma bonds

Pi bonds

Hydrogen bonds

Ionic bonds