$- CN$

$- ONO$

$- CC{l_3}$

$- CHO$

${\rm{H\;}} < {\rm{\;C}}{{\rm{H}}_3}{\rm{\;}} < {\rm{\;}}{{\rm{C}}_2}{{\rm{H}}_5}{\rm{\;}} < {\rm{\;}}{{\rm{C}}_3}{{\rm{H}}_7}$

${\rm{H}} > {\rm{\;C}}{{\rm{H}}_3}{\rm{\;}}\left\langle {{\rm{\;}}{{\rm{C}}_2}{{\rm{H}}_5}} \right\rangle {\rm{\;}}{{\rm{C}}_3}{{\rm{H}}_7}$

${\rm{H\;}} < {\rm{\;}}{{\rm{C}}_2}{{\rm{H}}_5}{\rm{\;}} < {\rm{\;C}}{{\rm{H}}_3}{\rm{\;}} < {\rm{\;}}{{\rm{C}}_3}{{\rm{H}}_7}$

None of the above

$+ R$ effect of – $N{H_2}$ group

$- I$ effect of – $N{H_2}$ group

$- R$ effect of –$N{H_2}$ group

Hyperconjugation effect

Chlorobenzene

$Tert -$ butylchloride

Isopropyl chloride

None of these

Stability of carbocations

Shortening of C-C single bond adjacent to a double bond

Stability of alkenes

Bond bending

$- CN$

$- CHO$

$- N{H_2}$

$- N{O_2}$

Resonance

Hyperconjugation

Electromeric effect

Inductive effect

${2^0} > {3^0} > {1^0}$

${1^0} > {2^0} > {3^0}$

${3^0} > {2^0} > {1^0}$

None of these

2nd carbon atom

1st carbon atom

3rd carbon atom

None of these

Alkenes

Ethers

Aldehyde

Ketones

$CC{l_3}COOH$

$CHC{l_2}COOH$

$C{H_2}ClCOOH$

$C{H_3}COOH$