Chemistry - AMINES Question with Solution | TestHub

Correct order should be :    ii  <  i  <  iv < iii

(i)$\mathrm{N} \mathrm{is} {\mathrm{sp}}^3$hybridised,$1°$Amine without delocalization.

(ii)$\mathrm{N} \mathrm{is} {\mathrm{sp}}^2$hybridised.

(iii) Guanidine is a stronger base than amidine (resonance stabilised)

(iv)$2°$Amine,$\mathrm{N} \mathrm{is} {\mathrm{sp}}^3$hybridised.