Which is the strongest Lewis base?

Question

Which is the strongest Lewis base? (A)  SbH3  (B)  AsH3  (C)  PH3  (D)  NH3

Tardigrade Admin · Accepted Answer

More the availability of lone pair of electrons, more will be the basic character. As the size of V A group elements increases, basic character of their hydrides decreases. Thus, NH 3 is the strongest Lewis base among the VA goup hydrides.

Q. Which is the strongest Lewis base?

$S b H_{3}$

$A s H_{3}$

$P H_{3}$

$N H_{3}$

More the availability of lone pair of electrons, more will be the basic character. As the size of V A group elements increases, basic character of their hydrides decreases. Thus, $N H_{3}$ is the strongest Lewis base among the VA goup hydrides.

Q. Which is the strongest Lewis base?

SbH3​

AsH3​

PH3​

NH3​

More the availability of lone pair of electrons, more will be the basic character. As the size of V A group elements increases, basic character of their hydrides decreases. Thus, NH3​ is the strongest Lewis base among the VA goup hydrides.

$S b H_{3}$

$A s H_{3}$

$P H_{3}$

$N H_{3}$

More the availability of lone pair of electrons, more will be the basic character. As the size of V A group elements increases, basic character of their hydrides decreases. Thus, $N H_{3}$ is the strongest Lewis base among the VA goup hydrides.