Rank the following compounds in order of increasing basic strength:

Question

Rank the following compounds in order of increasing basic strength: (A) 4 < 2 < 1 < 3 (B) 4 < 3 < 1 < 2 (C) 4 < 1 < 3 < 2 (D) 2 < 1 < 3 < 4

Tardigrade Admin · Accepted Answer

C 6 H 5 overset underset||OCNH 2 is weakest base because of EW power of ( >C=O) group and resonance. (3) Due to (-M) of NO 2 and ortho effect it is weak base. (2) Strong base lone pair is not involved in resonance.

Q. Rank the following compounds in order of increasing basic strength:

$4 < 2 < 1 < 3$

$4 < 3 < 1 < 2$

$4 < 1 < 3 < 2$

$2 < 1 < 3 < 4$

$C_{6} H_{5} C ∣∣ O N H_{2}$ is weakest base because of EW power of $(> C = O)$ group and resonance.
(3) Due to $(- M)$ of $N O_{2}$ and ortho effect it is weak base.
(2) Strong base lone pair is not involved in resonance.

Q. Rank the following compounds in order of increasing basic strength:

4<2<1<3

4<3<1<2

4<1<3<2

2<1<3<4

C6​H5​C∣∣O​NH2​ is weakest base because of EW power of (>C=O) group and resonance. (3) Due to (−M) of NO2​ and ortho effect it is weak base. (2) Strong base lone pair is not involved in resonance.

$4 < 2 < 1 < 3$

$4 < 3 < 1 < 2$

$4 < 1 < 3 < 2$

$2 < 1 < 3 < 4$

$C_{6} H_{5} C ∣∣ O N H_{2}$ is weakest base because of EW power of $(> C = O)$ group and resonance.
(3) Due to $(- M)$ of $N O_{2}$ and ortho effect it is weak base.
(2) Strong base lone pair is not involved in resonance.