Arrange the following in the decreasing order of their basic strength :
a. i. `PhNH_2` ii.` EtNH_2 ` ii. `EtNH_2` iii. `Et_2NH` iv, `NH_3`
b. i. ` EtNH _2 ` ii. ` PhNH_2` iii . `NH_3 ` iv. `PhCH_2 NH_2`
v.`Et_(2)NH`
c. i. `EtNH_2` ii. `Et_2` ii. `Et_3N ` iv `PhCH_2NH_2`
d. i. ` MeNH_2` ii. ` Me_2NH` ii.` Me_3N ` iv. `PhNH_2`
v. ` PhCH_2NH_2`
II. Complete the following acid -base reaction and name the products .
i.

Explanation

I. a. Aliphatic `2^@` amine gt Aliphatic `1^@` amine gt ` NH_3` gt Aromatic amine
`(iii) gt (ii) gt (i)`
b. `(v) gt (i) gt (iv) gt (iii) gt (ii)`
c. ` (ii) gt (iii) gt (i) gt (iv)`
d. ` (ii) gt (i) gt (iii) gt (v) gt (iv)`
II . i. ` (##KSV_CHM_ORG_P2_C15_S01_004_S01.png" width="80%">
ii. `Et_3 N^(o+) Cl^(Θ)` (Propanammonium chloride )